TY  - BOOK
AU  - Chen, Ching-Chih.
TI  - Scientific and technical informmation sources
U1  - 026.5:5+6 L7 
PY  - 1977///
CY  - Cambridge
PB  - MIT Press
KW  -  Ching-Chih Chen
KW  - Library resources-Science,Library resources-Engineering,Library resources-Technology
ER  -