00310nam a2200133Ia 4500008004100000100001600041245003800057250001200095260001500107300000800122650002400130942000700154999001500161190216s9999||||xx |||||||||||||| ||und||  aKetley. A.D 0aStereochemistry Of Macromolecules  a1st Ed.  bNullc1968  a460  aChemistry-Chemistry  cBK  c2429d2429