TY  - GEN
AU  - Barker, Joseph W. (ed.)
TI  - Mcgraw-hill encyclopedia of science and technology
SN  - 0070795908
U1  - 503 
PY  - 1977///
CY  - New York 
PB  - Mcgraw-Hill Book Company
KW  - Science-Dictionaries
KW  - Technology-Dictionaries
N1  - HB
ER  -