00298nam a2200121Ia 4500008004100000082001000041100002000051245002000071260003700091300000800128630002000136730002000156100204s9999    xx            000 0 und d  b21912  aMARTIN SHERWOOD  aCHEMISTRY TODAY  b"WWORLD BOOK INC, CHICAGO"c1987  a159  aCHEMISTRY TODAY  aCHEMISTRY TODAY