TY  - GEN
AU  - Mcgraw-Hill Inc. (comp.)
TI  - Mcgraw-hill year book of science and technology 
SN  - 0070454884
U1  - 505.8 
PY  - 1981///
CY  - New York
PB  - Mcgraw-Hill Inc.
KW  - Science-Yearbooks
KW  - Technology-Yearbooks
N1  - HB
ER  -