Anderson, R. S. 1971. Radiation and crop structure. In: Plant Photosynthetic Production. Manual of Methods. (eds Z. Sestak, J. Catsky, and P. G. Jarvis). W. Junk, The Hague. pp 412-466.

Anderson, R. S., D. R. Jackett, J. L. B. Jupp. 1984a. Linear functionals of the foliage angle distribution as tools to study the structure of plant canopies. Aust. J. Bot. 32: 147-156.

Anderson, R. S., D. R. Jackett, J. L. B. Jupp, J. M. Norman. 1984b. Interpretation of and simple formulas for some key linear functionals of the foliage angle distribution. Agric. and For. Meteor. 36: 165-188.

Bonhomme, R. and Chartier, P. 1972. The interpretation and automatic measurement of hemispherical photographs to obtain sunlit foliage area and gap frequency. Isr. J. Agric. Res. 22: 53-61.

Chen, X. and Campbell, G.S. 1988. Microprocessor controlled instrument for measuring transmitted PAR and sunfleck fraction in plant canopies. Paper presented at American Society of Agronomy, Anaheim.

Kobayashi, H., Ryu Y., Baldocchi, D.B.,Welles, J.M., Norman, J.M. (2013) On the correct estimation of gap fraction: How to remove scattered radiation in gap fraction measurements? Ag. and For. Meteorology, 174-175: 170-183.

Lang, A. R. G., Y. Xiang, and J. M. Norman. 1985. Crop structure and the penetration of direct sunlight. Agric. and For. Meteor. 37: 229-243.

Lang, A. R. G. and Y. Xiang. 1986. Estimation of leaf area index from transmission of direct sunlight in discontinuous canopies. Agric. and For. Meteor. 37: 229-243.

Lang, A. R. G. 1986. Leaf area and average leaf angle from transmittance of direct sunlight. Aust. J. Bot. 34: 349-355.

Lang, A. R. G. 1987. Simplified estimate of leaf area index from transmittance of the sun’s beam. Agric. and For. Meteor. 41: 179-186.

Leblanc, S. G., Chen, J. M., Fernandes, R., Deering, D. W., Conley, A., 2005. Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests. Agric. and For. Meteor. 129: 187–207.

Miller, J. B. 1963. An integral equation from phytology. J. Aust. Mat. Soc. 4: 397-402.

Miller, J. B. 1967. A formula for average foliage density. Aust. J. Bot. 15: 141-144.

Nilson, T., 1999. Inversion of gap frequency data in forest stands. Agric. and For. Meteor. 98–99: 437–448.

Nilson, T., and A. Kuusk. 2004. Improved algorithm for estimating canopy indices from gap fraction data in forest canopies. Agric. and For. Meteor. 124: 157–169.

Norman, J. M. and G. S. Campbell. 1989. Canopy structure. In: R. W. Pearcy, J. Ehlringer, H. A. Mooney, and P. W. Rundel (eds) Plant Physiological Ecology: Field Methods and Instrumentation. Chapman and Hall, London and New York, pp 301-325.

Perry, S. G., A. B. Fraser, D. W. Thomson, and J. M. Norman. 1988. Indirect sensing of plant canopy structure with simple radiation measurements. Agric. and For. Meteor. 42: 255-278.

Philip, J. R. 1965. The distribution of foliage density with foliage angle estimated from inclined point quadrat observations. Aust. J. Bot. 13: 357-366.

Ross, J. 1981. The radiation regime and architecture of plant stands. W. Junk. The Hague, 391 pp.

Ryu, Y., T. Nilson, H. Kobayashi, O. Sonnentag, B. E. Law, & D. D. Baldocchi. 2010. On the correct estimation of effective leaf area index: Does it reveal information on clumping effects? Agric. and For. Meteor. 150, 463-472.

Van Gardingen, P. R., Jackson, G. E., Hernandez-Daumas, S., Russell, G., Sharp, L., 1999. Leaf area index estimates obtained for clumped canopies using hemispherical photography. Agric. and For. Meteor. 94 (3–4), 243–257.

Walker, G. K., R. E. Blackshaw, and J. Dekker. 1988. Leaf area and competition for light between plant species using direct sunlight transmission. Weed Technology 2: 159-165

Warren Wilson, J., and J. E. Reeve. 1959. Analysis of the spatial distribution of foliage by two-dimensional point quadrats. New Phytol. 58: 92-101.

Welles, J. M. 1990. Some indirect methods of estimating canopy structure. In: J. Norman and N. Goel (eds) Instrumentation for studying vegetation canopies for remote sensing in optical and thermal infrared regions. Harwood Academic Publishers GmbH, London.

Welles, J. M. and J. M. Norman. 1991. Instrument for indirect measurement of canopy architecture. Agron. J. 83: 818-825.

Welles, J.M. and Cohen, S. 1996. Canopy structure measurement by gap fraction analysis using commercial instrumentation. Journal of Experimental Botany, 47: 1335-1342.

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