000 00410nam a2200181 4500
020 _a
_c
082 _aBV PRL 1974.32(14-25)
100 _a
245 _aPhysical review letters, 1974, Vol.32, No.14-25
250 _a
260 _aAmerican Physical Society, New York
_c1974
300 _a1502
490 _a
500 _a
590 _aVMV
_b
_c
650 _aPhysical review letters
942 _cBK
999 _c477310
_d477310