TY  - BOOK
AU  - Walker,Laurence C.
TI  - Forests: a naturalist's guide to trees and forest ecology 
SN  - 0471521086 :
AV  - QK115 .W35 1990
U1  - 582.160973 20
PY  - 1990///
CY  - New York
PB  - Wiley
KW  - Trees
KW  - United States
KW  - Botany
KW  - Forest ecology
N1  - Include index; Includes bibliographical references (p. 271-272)
ER  -