KESAVULU CHENNA N. (2014). TEXT BOOK OF ENGINEERING GEOLOGY. TRINITY.
Lua i Stíl Chicago (17ú heag.)KESAVULU CHENNA N. TEXT BOOK OF ENGINEERING GEOLOGY. NEW DELHI: TRINITY, 2014.
Lua MLA (9ú heag.)KESAVULU CHENNA N. TEXT BOOK OF ENGINEERING GEOLOGY. TRINITY, 2014.
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