000			00361nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a621.38 _bBEC
100			_aBeck, A.H.W
245			_aWords and Waves
260			_aLondon: _bWeidenfeld and nicolson, _c1967.
300			_a255p. _bill. _c19cm
650		0	_aApplied Physics
942			_2ddc _cLM
999			_c103183 _d103183