TY  - BOOK
AU  - Wallace,Thomas
TI  - The diagnosis of mineral deficiencies in plants by visual symptoms: a colour atlas and guide 
U1  - 581.1335 
PY  - 1964///, c1961
CY  - London
PB  - Her Majesty´s Stationery Office
KW  - Asimilación en las plantas
KW  - Fisiología vegetal
ER  -