TY  - BOOK
AU  - Symposium on Trace Element in plant physiology. Rothamsted, Rothamsted Experimental station, Nov.5-6, 1947.
TI  - Trace elements in plant physiology
U1  - 631.81.095' 337:581.13 1947 (082.2) J0;1 
PY  - 1950///
CY  - Waltham
PB  - Chronica Botanica
KW  - Trace elements,Plant physiology
ER  -