TY  - BOOK
AU  - Sands,Margaret Kathleen
TI  - Problems in plant physiology
SN  - 0719523184
U1  - 571.2 
PY  - 1971///
CY  - London
PB  - John Wiley, 
KW  - FISIOLOGIA VEGETAL
KW  - PROBLEMAS, EJERCICIOS, ETC
UR  - https://www.cicy.mx/sitios/sib/doctoelectronico/50.pdf
ER  -