| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Biosystematics in agriculture: Invited papers presented at a symposium held May 8-11, 1977, at the Beltsville Agricultural Research Center , ... symposia in agricultural research) | 978-O-47O-26416-4 (O-47O-26416-O) | 1978 |
A. R. · Albert R. · J. A. · J.A. Romberger · J Albert · J R · John A. · John A. Romberger · John Albert · John R.