Reyes, S. F. A computer program for the analysis of Earth slopes. U. P. Engineering research journal.
Chicago Style (17. basım) AtıfReyes, Salvador F. "A Computer Program for the Analysis of Earth Slopes." U. P. Engineering Research Journal .
MLA (9th ed.) AtıfReyes, Salvador F. "A Computer Program for the Analysis of Earth Slopes." U. P. Engineering Research Journal, .
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