TY  - BOOK
AU  - Parker C C.
AU  -  Turley R V.
TI  - Informationa sources in science and technology
U1  - 2;97(A), L5-;1 (2) 
PY  - 1975///
CY  - London
PB  - `Butterworths       
KW  - LIBRARY SCIENCE
ER  -