000			00361nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
100			_aZilberman A. G.
245		0	_aSpace time gravitation.
260			_aNULL
260			_bMir Publications.
260			_c1984
300			_a215p.
365			_b35
650			_aGENERAL
942			_cDBK
999			_c22016 _d22016