00546ca0 a2200229ua 45000010006000000050017000060070003000230080041000260200010000670400009000770410014000860820015001001000027001152450030001422500013001722600058001853000018002433650010002615040009002715410022002806500014003021990620180503180942.0ta160919s1972 ii g b000 u eng u c$4.75 aMAIN1 aenghNULL a549.4bKNE aKneen, W.R. .eAuthor aChemistry / cW.R. Kneen. a1st /b. aLondon :bThe English Language Book Society , c1972. a861 ; cNULL. a$4.75 aNULL e11881 h$4.75 aChemistry