TY  - BOOK
AU  - Paul L.G . Vlek
TI  - Micronutrients in tropical food crop production
SN  - 90-247-2405-8
U1  - 631.811 
PY  - 1985///
CY  - Dordrecht
PB  - Martinus nijhoff
N1  - Paul L.G . Vlek: Micronutrients in tropical food crop production.  Dordrecht.  Martinus nijhoff, 1985. 90-247-2405-8--(631.811VLE)
ER  -