by Ozkahraman, H.T., Işık, E.C.
Published in Construction & building materials (01.05.2005)

by Özkahraman, H.T., Selver, R., Işık, E.C.
Published in International journal of rock mechanics and mining sciences (Oxford, England : 1997) (01.06.2004)

by Isık, E.C., Ozkahraman, H.T.
Published in Construction & building materials (01.12.2010)

by Sakarya, Y, Işik, E C, Ermiş, S S
Published in Journal of cataract and refractive surgery (01.07.1999)