Text book of sound /
Khanna, D. R.
Text book of sound / by D. R. Khanna and R. S. Bedi - 9th ed. - Atma Ram & Sons, 1969.
Physics
534
Text book of sound / by D. R. Khanna and R. S. Bedi - 9th ed. - Atma Ram & Sons, 1969.
Physics
534