00345nam a2200121Ia 4500008004100000082001500041100001200056245005400068260003000122300001000152630001800162650004300180211109s9999||||xx |||||||||||||| ||und||  a540bHAS-I  aHass, A 0aIntermediate Chemistry: Theoritical and Practical  bDe N PressaMaduraic1943  a289p.  xGeneral Stack  aTheory vPracticalChemistryxGeneralia