00432nam 2220773 450000100060000000300230000600500090002900800410003808200080007910000300008726000870011730000080020424500880021220773StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a172 aRanda Omer Ahmed AI-Orabi bKingdom of Saudi Arabia: University King Abdulaziz /Faculty of Science/Depa c2008 a146 aSpectrophotometric and Conductometric Studies on some N-aryl Pyridinium Derivatives