000			00325nam a2200157Ia 4500
020			_aNULL
082			_a530.11
100			_aBergmann, P. G.
245		0	_aIntroduction to Theory of Relativity
250			_a1st
260			_aLondon _bAsia Publishing House
300			_a279
500			_a0
650			_a-
942			_cBK
999			_c32636 _d32636