000
00231pam a2200085a 44500
008
140414b xxu||||| |||| 00| 0 eng d
245
_a
SCIENTIFIC AMERICAN VOL. 258 1988
_c
260
_a
NEW YORK
_b
SCIENTIFIC AMERICAN INC.
_c
906
_a
46390
999
_c
42291
_d
42291