TY  - BOOK
AU  - Adriance S.Foster
AU  - Ernest Gifford
TI  - Comparative morphology of vascular plants
SN  - 0-7167-0712-8
AV  - AMU QK641.F6 
PY  - 1974///
CY  - San Francisco
PB  - W. H. Freeman and Company.
N1  - Includes bibliographical references
ER  -