00498nam 2269834 450000100060000000300230000600500090002900800410003808200080007907200170008702000180010410000330012226000310015524500450018665000170023165000190024865000510026769834StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a547 ahydrocarbons a977-279-046-7 aمحمد احمد الخضر bدار الافاق c1996 aorganic chemisty for premedical students ahydrocarbons aclassification aunsaturated hydrocarbons / alkenes/ properties