 | Trees Growth Mathematical models. | (2) |
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 | Nonlinear estimation of parameters of a flexible growth model / M.D. Knoble and F.Y. Borden. Knoble, H. D. University Park, Pa. : Pennsylvania State University, College of Agriculture, Agricultural Experiment Station, 1972. | |
| Biological growth functions describe published site index curves for Lake States timber species / Allen L. Lundgren, William A. Dolid. Lundgren, Allen L. cn : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970. | |
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