Gaya APA

El-Korchi, , T. (1990). Visual Appearance of Surface Distress in PCC Pavements : II. Crack Modeling. . : s.n..

Gaya MLA

El-Korchi, , Tahar. "Visual Appearance of Surface Distress in PCC Pavements : II. Crack Modeling.". : s.n., 1990. Computer Software.