000			00360nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0-85498-379-1
041			_aen
082			_a530.072
100			_aPRUTTON, M.edi
245		0	_aReports on Progress in Physics
260			_aLondon _bIOP Publishing Ltd _c1987
300			_a371p. Vol - 50
942			_cLL
999			_c8459 _d8459