Reddy, Venkat D. creator text India Oxford & IBH PUBLISHING CO. PVT LTD 1995 monographic XVII,390p. ; Engineering Geology 550.24624RED 8120409876(Paperback) http://books.google.com.pk/books?id=8Ys5brwYEj8C&pg=PA231&lpg=PA231&dq=engineering+geology+for+civil+engineers+by+d+venkat+reddy&source=bl&ots=k8DJ2zmq7E&sig=2ONt20NA01Tu4Dg34bSfcddIYw8&hl=en&sa=X&ei=RI_pU_7NB6nmywP52YL4Bg&ved=0CDcQ6AEwAw#v=onepage&q=engineering%20geology%20for%20civil%20engineers%20by%20d%20venkat%20reddy&f=false http://books.google.com.pk/books?id=8Ys5brwYEj8C&pg=PA231&lpg=PA231&dq=engineering+geology+for+civil+engineers+by+d+venkat+reddy&source=bl&ots=k8DJ2zmq7E&sig=2ONt20NA01Tu4Dg34bSfcddIYw8&hl=en&sa=X&ei=RI_pU_7NB6nmywP52YL4Bg&ved=0CDcQ6AEwAw#v=onepage&q=engineering%20geology%20for%20civil%20engineers%20by%20d%20venkat%20reddy&f=false