TY  - BOOK
TI  - McGraw-Hill encyclopedia of science and technology: : 6 gab-hys
SN  - 0070792801
U1  - 503 
PY  - 1960///
CY  - New York
PB  - ; Mcgraw-Hill Book
KW  - Encyclopaedia
KW  - Science & Technology-Encyclopaedia
ER  -