000			00322nam a2200133Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a530.124
100			_aFRANK S.Crawforrd, Jr
245		0	_aWaves
260			_aNew York _bMcgraw-hill book company _c1968
300			_axviii, 600Volume 3
942			_cSR
999			_c83816 _d83816