TY  - BOOK
AU  - Udayashankara , V.
AU  - Mallikarjunaswamy, M S/
TI  - 8051 Microcontroller: hardware, software and applications
U1  - 004.16  Ud1M 
PY  - 2009///
CY  - New Delhi
PB  - Tata Mcgraw hill
ER  -