000 00267pas a2200097 454500
008 160820b1974 xxu||||| |||| 00| 0 eng d
022 _a0302-072X
245 _aJOURNAL DE PHYSIQUE LETTERS
260 _aPARIS
_bEDITIONS DE PHYSICS
_c1974
906 _a
_b
_c
_dJan - Dec,2008
999 _c473477
_d473477