000 00410nam a2200181 4500
020 _a
_c
082 _aBV PRL 1977.39(01-26)
100 _a
245 _aPhysical review letters, 1977, Vol.39, No.01-26
250 _a
260 _aAmerican Physical Society, New York
_c1977
300 _a1724
490 _a
500 _a
590 _aVMV
_b
_c
650 _aPhysical review letters
942 _cBK
999 _c478284
_d478284