000
00266nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
Scientific American to be entered: to be entered
260
_c
1 Jan-31 Mar,1989
362
_a
261-261
_b
01-Mar
942
_2
ddc
_c
J
999
_c
189883
_d
189883