000			00352nam a2200181 4500
020			_a _c
082			_aBV PT 1972.25(01-12)
100			_a
245			_aPhysics today, 1972, Vol.25, No.01-12
250			_a
260			_a _c1972
300			_a92
490			_a
500			_a
590			_aVMV _b _c
650			_aPhysics today
942			_cBK
999			_c477317 _d477317