TY  - BOOK
AU  - Werf, Hayo van der
AU  - 
TI  - Crop physiology of fiber hemp (Cannabis sativa L.)
SN  - 90-9007171-7
U1  - 631.558.5 
PY  - 1994///
CY  - Nederlands
PB  - 
KW  - Physiology - Crop
KW  - Fiber hemp
N1  -  Proefschrift
ER  -