000 00261pas a2200097 454500
008 160820b1962 xxu||||| |||| 00| 0 eng d
022 _a
245 _aPHYSICS LETTERS: SECTION B
260 _aAMSTERDAM
_bELSEVIER SCIENCE BV
_c1962
906 _a
_b
_c
_dJan - Dec,2008
999 _c472268
_d472268