. Hulin, Research on the constructure and form of the sterm and branches of the fruit tree Agricultural information institute of, 2008.

L. Zenghuan and ;. Wei, The Monitoring System of Orchard Environment Based on Virtual Instrument Technology, Journal of Agricultural Mechanization Research, issue.7, pp.156-158, 2009.

W. Yongchao, Performance of tree canopy diameter measurement based on ultrasonic sensor and DGPS, Transactions of the Chinese Society of Agricultural Engineering, issue.8, pp.22158-161, 2006.

W. Wei-bin-;-hong-tian-sheng-;-li-zhen and ;. Zhang-wen-zhao-;, Indirect testing method of fruiter biomass, Journal of Jiangsu University(Natural Science Edition), vol.28, issue.4, pp.284-288, 2007.

I. Shlyakhter, Reconstructing 3D tree models from instrumented photographs, IEEE Computer Graphics and Applications, vol.21, issue.1, pp.53-61, 2001.
DOI : 10.1109/38.920627

S. D. Tumbo, M. Salyani, and J. D. Whitney, Laser, ultrasonic and manual measurements of citrus tree canopyvolume, ASAE Meeting Presentation, pp.1-1068, 2001.

R. A. Prokopenko, A. A. Frolov, and E. V. Biryukova, Assessment of the accuracy of a human arm model with seven degrees of freedom, Journal of Biomechanics, vol.34, issue.2, pp.177-185, 2001.
DOI : 10.1016/S0021-9290(00)00179-2

E. Valinger-a and J. Fridman, Modelling probability of snow and wind damage in Scots pine stands using tree characteristics. Forest Ecology and Management, pp.215-222, 1997.

R. C. Chalmers and K. C. Almeroth, Modeling the branching characteristics and efficiency gains in global multicast trees, Proceedings IEEE INFOCOM 2001. Conference on Computer Communications. Twentieth Annual Joint Conference of the IEEE Computer and Communications Society (Cat. No.01CH37213), pp.1-10, 2001.
DOI : 10.1109/INFCOM.2001.916734