000			00367nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a0 521 25550 3
041			_aen
082			_a530.1'5
100			_aLONGAIR, M.S.
245		0	_aTheoretical concepts in physics.
260			_aCambridge _bCambridge University Press. _c1984
300			_axiii, 366p
942			_cPR
999			_c40488 _d40488