TY  - BOOK
AU  - Mount, Ellis.
TI  - Scientific and technical libraries in the seventies; a guide to information sources
T2  - Gale informaciÃ³n guide library
U1  - 026 
PY  - 1981///
CY  - Detroit, Michigan
PB  - Gale
KW  - Bibliotecas especializadas
ER  -