TY  - BOOK
AU  - Lenk, John D.
TI  - Lenk's Audio Handbook 
SN  - 0070375038
U1  - 621.389302 
PY  - 1991///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Sound Recording Equipment and Supplies Maintence and Repair Handbooks Manuals Etc
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-07-037503-8.pdf
ER  -