000			00273nam a2200121Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aPinsky A A
245		0	_aProblems In Physics
260			_bMir Pubs Moscow _c1980
300			_a332p
650			_aPhysics
942			_cBK
999			_c32856 _d32856