00322nam a22001217a 4500082001700000100001900017245004300036250000800079260003700087300003100124526003700155650000800192  a530.124bWAV  aTahire Hussain  aWaves and Oscilations cTahire Hussain  a1st  aLahorebSh Gulam Ai & Sonsc1971  axvi, 202, p. :bill,c15cm  a0b0c0d530_124000000000000_WAV  aMCE