TY  - GEN
AU  - Walford A J
ED  - Library Association
TI  - Guide to reference material: science and technology 
AV  - Z1035.1 
PY  - 1966///
CY  - London : , New York, N.Y. : 
PB  - Library Association, Distributed in the U.S.A. by R.R. Bowker
KW  - Reference books
KW  - Great Britain
KW  - Bibliography
N1  - Editor: 1959-1977 A.J. Walford
ER  -