TY  - BOOK
AU  - Verma; S.C.,Ramesh Kumar,Gupta;J.K.
TI  - Waves & oscillations
U1  - 531.33 V43W 
PY  - 0000///N.D
CY  - Jalandhar 
PB  - S.Vikas educational publishers
KW  - Physics
ER  -