TY  - BOOK
AU  - Tiwari, Sravankumar
AU  - Rai, Devendra Kumar
TI  - Lasor or Uske Upyog
U1  - 621.3827 
PY  - 1997///
CY  - Varanasi
PB  - Vaivastva Publication
KW  - Electronic Engineering
ER  -