TY  - JOUR
T1  - Science & engineering indicators.
DA  - [1988-
CY  - Washington, D.C. :
CN  - Q172.5
CN  - Q172.5
PB  - National Science Board :
PB  - For sale by the Supt. of Docs., U.S. G.P.O.,
PP  - Washington, D.C. :
PY  - [1988-
ID  - 122740
KW  - Science indicators
KW  - Science
KW  - Engineering
TI  - Science & engineering indicators.
ER  -