TY  - BOOK
AU  - DR IR D E VAN DER ZAAG
TI  - POTATO RESEARCH IN EUROPE
U1  - R 635.21 
PY  - 1969///
CY  - NETHERLANDS
PB  - EUROPEAN ASSOCIATION FOR POTATO RESEARCH
KW  - POTATO RESEARCH IN EUROPE
N1  - TODAY & TOMORROW
ER  -