TY  - BOOK
AU  - Davidson,Robert L.
TI  - R and D database handbook: a worldwide guide to key scientific and technical databases 
SN  - 0914993070
U1  - C 001.6072 
PY  - 1984///
CY  - Fort Lee, NJ
PB  - Technical Insights, 
KW  - BASES DE DATOS
KW  - MANEJO
KW  - INVESTIGACION CIENTIFICA
KW  - MANUALES
ER  -