?url_ver=Z39.88-2004&rft_id=10.1063%2F1.4757542&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S.&rft.au=Ahmed%2C+S.&rft.aulast=Ahmed&rft.issn=0094243X&rft.isbn=9780735410947&rft.title=Effect+of+TEPA+loading+on+the+physicochemical+properties+of+Si-MCM-41+by+impregnation+method&rft.date=2012&rft.genre=proceeding