http://library.nehu.ac.in/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Troch%2CFrederick.R%22&sort_by=&format=rss 3 0 50 ISBN:0138221553 http://library.nehu.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=3085 ]]> By Troch,Frederick.R.
New Jersey Prentice-Hall 1980 .
xv, 718p.: ill.; maps. ; 24cm 0138221553

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]]> http://library.nehu.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=3085 ISBN:0138221553 http://library.nehu.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=3086 ]]> By Troch,Frederick.R.
Englewood Cliffs,New Jersey Prentice-Hall 1980 .
xv, 718p.: fig.tables. ; 27cm 0138221553

]]> Place hold on Soil and water conservation for productivity and environmental protection

]]> http://library.nehu.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=3086 ISBN:0138221553 http://library.nehu.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=6591 ]]> By Troch,Frederick R ..
New Jersey Prentice-Hall 1980 0138221553

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