?url_ver=Z39.88-2004&rft_id=10.1063%2F1.4919148&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=N.&rft.aulast=Shafiq&rft.au=Shafiq%2C+N.&rft.title=Correlation+between+compressive+strength+and+ultrasonic+pulse+velocity+of+high+strength+concrete+incorporating+chopped+basalt+fibre&rft.date=2015&rft.issn=0094243X&rft.isbn=9780735413160&rft.genre=proceeding