?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FAMR.980.91&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Johnson&rft.au=Johnson%2C+O.A.&rft.aufirst=O.A.&rft.date=2014&rft.volume=980&rft.issn=10226680&rft.title=Advanced+Materials+Research&rft.isbn=9783038351580&rft.atitle=Effect+of+curing+age+on+the+compressive+strength+of+petrovege+blocks&rft.pages=91-96&rft.genre=article