/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Pyenson%2C%20Louis%22&sort_by=relevance&format=rss 3 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=19632 By PYENSON, Louis L.
New York Wiley 1951

]]> Place hold on Elements of plant protection.

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=19632 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=27052 By Pyenson, Louis L.
Westport Avi 1977

]]> Place hold on Fundamentals of entomology and plant pathology

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=27052 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=36856 By Pyenson, Louis.
Westport AVI 1981

]]> Place hold on Plant health handbook

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