TY  - BOOK
AU  - Hummel F C
TI  - Instruments for the measurement of height, diameter and taper on standing trees
U1  - 634.92854 
PY  - 1951///
CY  - Oxford
PB  - Commonwealth Forestry Bureau
KW  - Mensuration
N1  - Reprinted from Forestry Abstracts, v.12,no.3,1951
ER  -