00436nam a2200169Ia 4500008004100000020001500041082001400056100001500070245003000085260004200115300000800157650003400165650001800199653001400217700001800231700001700249170901s1990    xx            000 0 und d  a8185274851  a540bA26C  aAinley, D. 0aChemistry in Todays World  aNew DelhibUniversal Book Stallc1990  a408  aChemistry and allied sciences  aPure Sciences  aChemistry  aLazonby, A.J.  aMasson, A.J.