TY  - BOOK
TI  - AQGRICOLA subject category codes with scope notes
AV  - Ref Z699.5.A5 1993 
PY  - 1993///
CY  - Maryland
PB  - National Agriculture Library
KW  - AGRICOLA--information retrieval system
KW  - Information storage and retrieval systems--handbook, manuals etc
ER  -