TY  - BOOK
AU  - Zane R. Helsel
TI  - Energy in plant nutrition and pest control
SN  - 0-444-42445-8
U1  - 631.8 
PY  - 1987///
CY  - Amsterdam
PB  - Elsevier
N1  - Zane R. Helsel: Energy in plant nutrition and pest control.  Amsterdam.  Elsevier, 1987. 0-444-42445-8--(631.8HEL)
ER  -