Catalytic behavior of perchloric acid on silica mesoporous SBA-15 as a green heterogeneous Bronsted acid in heterocyclic multicomponent reactions Ali Baghban, Esmail Doustkhah*, Sadegh Rostamnia, 10.1007/s40089-018-0231-9 XML Requires Subscription HTML Requires Subscription PDF views: 40 downloads: 111