00308nam 2230497 450000100060000000300230000600500090002900800410003808200080007910000330008726000230012024500450014330497StarLibrary Marc Built20180503201711 ||||| |||||||||||amh  a628 aClair N. Sawyer وآخرون bU.S.A: HILL c1994 aChemistry For Ennironm Ental Engineering