TY  - BOOK
AU  - Johns,Ada Winifred
TI  - Special libraries: development of the concept, their organizations and their services 
U1  - 026 
PY  - 1968///
CY  - Metuchen, N.J.
PB  - Scarecrow Press
KW  - Special libraries
KW  - Engineering libraries
N1  - Includes index
ER  -