TY  - BOOK
AU  - Spiertz, J. H. J.
TI  - Crop Physiology and Cerseal Breeding: Proc. of a Eucarpiq Workshop Wagenigen the
U1  - 631.53 SPI-C 
PY  - 1979///
CY  - Wageningen
PB  - Centre for Agriculture Publications & Do
ER  -