TY  - BOOK
AU  - Solbrig,Otto T.
TI  - Principles and methods of plant biosystematic / 
U1  - 581.012 SOL 
PY  - 1970///
CY  - New York : 
PB  - Macmillan, 
KW  - Botany
KW  - Classification
N1  -  Includes bibliographical references
ER  -