@article {49557,
	title = {Nonlinear mixed effects modelling of variable exponent taper equations for lodgepole pine in Alberta, Canada},
	volume = {128},
	year = {2009},
	pages = {415-429},
	publisher = {European Journal of Forest Research},
	author = {Yang, Y. Q. and Huang, S. M. and Trincado, G. and Meng, S. X.}
}
