TY  - BOOK
ED  - National Science Board (U.S.)
TI  - Science indicators
U1  - 338.973 
PY  - 1973///
CY  - [Washington, D.C.]
PB  - National Science Board, National Science Foundation, United States Government Printing Office
KW  - Science indicators
KW  - United States
KW  - Science
KW  - Statistics
KW  - Technology
ER  -