TY  - BOOK
AU  - Romberger, John Albert
TI  - Biosystematics in agriculture : invited papers presented at a symposium held May 8 - 11, 1977, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland 20705
T2  - (Beltsville symposia in agricultural research; 2)
SN  - 9780470264164
PY  - 1978///
CY  - Montclair
PB  - Allanheld, Osmun
ER  -