TY  - BOOK
AU  - Beltsville Agricultural Research Centre  
ED  - Beltsville Agricultural Research Centre
TI  - Biosystematics in agriculture: papers
SN  - 0470264160
PY  - 1978///
CY  - New Yor
PB  - distribution, Halsted Press
KW  - Agriculture--Congresses Biology--Classification--Congresses
ER  -