000 00265pas a2200097 454500
008 160820b1979 xxu||||| |||| 00| 0 eng d
022 _a0191-2941
245 _aNATURE AND SYSTEM
260 _aTUCSON, AZ
_bNATURE AND SYSTEM INC.
_c1979
906 _a
_b
_c
_dJan - Dec,2008
999 _c474041
_d474041