TY  - BOOK
TI  - McGraw-Hill Encyclopedia of Science and Technology 1
U1  - 503 
PY  - 1960///
CY  -  New York : 
PB  - McGraw-Hill, 
KW  - Science Encyclopedias
N1  - vol. 1
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/*.pdf
ER  -