TY  - BOOK
AU  - 
TI  - McGraw-HIll Encyclopedia of Science and Technology Vol. 4 (Dac - Ens)
SN  - 0070795908
U1  - 503 
PY  - 1977///
CY  - New York
PB  - McGraw Hill Book Co.
KW  - Dictionaries & encyclopedias
KW  - Science and Technology
ER  -