TY  - BOOK
AU  - Johansen, Donald Alexander
TI  - Plant Embryology: Embryogeny of the Spermatophyta
U1  - 581.33 
PY  - 1950///
CY  - USA
PB  - Chronica Botanica Company
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Embryology
ER  -