000			00342nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a621.8
082			_a621
082			_b8 MAC
100			_a"Dobrovolsky, V et.al."
245		0	_aMachine Elements A Textb
260			_aMoscow
260			_bMIR Pub.
260			_c1962
300			_a492
999			_c22747 _d22747