000			00370nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0-85498-339-2
041			_aen
082			_a530.072
100			_aSTOYLE - Blin. R J
245		0	_aReports on Progress in Physics
260			_aLondon _bThe Institute of Physics _c1979
300			_a545p. Vol - 42
942			_cLL
999			_c8428 _d8428