TY  - BOOK
AU  - Vlek Paul L G Ed.
TI  - Micronutrients in tropical food crop production
T2  - Developments in plant and soil scieces; 14
U1  - J3:247:7, M5 
PY  - 1985///
CY  - Dordrecht
PB  - Martinus Nihhoff        
KW  -  Food
KW  - Agriculture
ER  -