000			00358nam a2200133 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a530.07 _bELE
245			_aElectromagnetic Waves : Teachers Guide unit 8
260			_aLondon: _bNuffield Advanced Science _c1971.
300			_a161 p.; _c18 cm
650		0	_aMathematics
942			_2ddc _cLM
999			_c141397 _d141397