TY  - BOOK
ED  - E.U.A. National Agricultural Library
TI  - Agricultural / biological subject category list
PY  - 1965///
CY  - Washington, D.C.
PB  - National Agricultural Library
KW  - Agricultura
KW  - Tesauros
KW  - Biología
KW  - Encabezamientos de materia
ER  -