00317nam a22001337i 4500001001000000005001700010008004100027082001500068245002600083260002400109300001700133650001500150020001800165SXC00850920260819093440.0260101s1900    ii            000 0 eng d  a0 .D-S22210aScience today /cs.n.  abDamaged SV,c1900  ap. ;c22 cm. 0aDamaged SV  a9780636042766