000
00265pas a2200097 454500
008
160820b1979 xxu||||| |||| 00| 0 eng d
022
_a
0191-2941
245
_a
NATURE AND SYSTEM
260
_a
TUCSON, AZ
_b
NATURE AND SYSTEM INC.
_c
1979
906
_a
_b
_c
_d
Jan - Dec,2008
999
_c
474041
_d
474041