TY  - BOOK
AU  - Jahanzeb Akram
AU  - Umair Usman
AU  - Warda Saeed
TI  - Electronic pen for projector screen using ultrasonic triangulation
U1  - BEE-4 AKR 
PY  - 2016///
CY  - Islamabad
PB  - NUST-SEECS
N1  - Supervisors: Dr. Ahmad Salman
UR  - http://10.250.8.41:8080/xmlui/handle/123456789/10642
ER  -