TY  - BOOK
AU  - Littlefield, T.A. 
AU  - Thorley, N. 
TI  - Atomic and Nuclear Physics: An Introduction S.I. Units 
SN  - 9789381714607
U1  - 539 
PY  - 2014///
CY  - New Delhi
PB  - MEDTEC
ER  -