000 00263pas a2200097 454500
008 160820b xxu||||| |||| 00| 0 eng d
022 _a
245 _aJOURNAL OF PHYSICS A:GENERAL PHYSICS
260 _a UK
_bINSTITUTE OF PHYSICS (IOP)
_c
906 _a
_b
_c
_dJan - Dec,1971
999 _c476978
_d476978