00319nam 2274677 450000100060000000300230000600500090002900800410003808200120007910000100009126000200010125000060012124500600012774677StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a615.832 asmith bمصور c1977 a4 apaper and thin layer chromatography and electrophoresis