TY  - BOOK
AU  - Johansen, Donald Alexander
TI  - Plant embryology 
SN  - 81-211-0043-7
U1  - 571.862 
PY  - 1990///
CY  - Dehradun
PB  - Bishen Singh, Mahendrapal Singh
KW  - Plant embryology
KW  - Spermatophyta
N1  - Includes index
ER  -