TY  - BOOK
AU  - Walford, Albert John
ED  - Library Association
TI  - Guide to reference material
U1  - 016 WAL 
PY  - 1966///-
CY  - London
PB  - Library Association
KW  - Reference books
KW  - Bibliography
N1  - Contents. - v.1. Science and technology; assistant editors K.R. Ride r and F.R. Taylor
ER  -