1. Effect of untreated surface disbonds on performance of FRP-retrofitted concrete beams;Kalayci;J. Compos. Constr.,2009
2. The shape of surface void in self-compacting concrete due to the fluidity and the surface condition of form;Tomoko;JCA Proc. Cem. Concr.,2002
3. Voids in concrete surfaces;Samuelsson;ACI J.,1970
4. The bughole problem;Reading;ACI J.,1988
5. P. Smith, Making the bugholes bug out, 2008. Available at: 〈http://www.me.ccnw.ne.jp/osamu717/marketnew1.htm〉.