00381nam a22001452  4500001001100000005001700011008004100028020001700069040001500086245002200101250001300123260005300136300002100189650002500210000001180120151217160124.0090111s         xx           000 0 eng d  a0877460388 :  aKABUcKABU10aSteps in science.  a1st  ed.  aNew York :bGraphic Learning Corporation,c1986.  av, 87  p. ;c  . 0aScience.@0000153845