TY  - BOOK
AU  - Walford,Arthur J.
AU  - Drubba,H.
AU  - Harvey,Anthony P.
TI  - Walford's guide to reference material / 
SN  - 0853656118
U1  - 028.7 WAL.1 
PY  - 1980///
CY  - London : 
PB  - Saur, 
KW  - Sciences
KW  - Bibliographie techniques
N1  - Includes index
ER  -