TY  - BOOK
AU  - Larsen, David R.
AU  - Henn, David W.
AU  - Stearns - Smith, Stepehen C.
TI  - Accuracy and precision of the tangent method of measuring tree height
KW  - Medidas forestales
N1  - Sobretiro de: WJAF 2 (1) : 26-28, 1987
ER  -