000 00409nam a2200181 4500
020 _a
_c
082 _aBV PL 1972.39B(01-05)
100 _a
245 _aPhysics letters, 1972, Vol.39B, No.01-05
250 _a
260 _aNorth-Holland Physics Publishing Co., Amsterdam
_c1972
300 _a554
490 _a
500 _a
590 _aGimish
_b
_c
650 _aPhysics letters
942 _cBK
999 _c476886
_d476886