Progress of an outbreak of the western form of the pine sawfly (Acantholyda nemoralis Thoms. f. serotina W.K.), report of observations = Z obserwacji nad przebiegiem gradacji zachodniej formy osnui gwiaździstej (Acantholyda nemoralis Thoms. f. serotina W.K.) /

Bibliographic Details
Main Author:	Burzyński, Jerzy
Corporate Authors:	United States. Department of Agriculture, National Science Foundation (U.S.)
Format:	Book
Language:	English
Published:	Warsaw, Poland : published for the U.S. Dept. of Agriculture and the National Science Foundation, Washington, D.C., by the Scientific Publications Foreign Cooperation Center of the Central Institute for Scientific, Technical and Economic Information, 1967.
Subjects:	Acantholyda posticalis > Silesia, Upper (Poland and Czech Republic)

Description
Item Description:	Cover title. "TT 66-57033." "Prace Instytutu Badawczego Leśnictwa, number 214,1961, pages 89-112."
Physical Description:	20 pages, 2 unnumbered pages : illustrations ; 28 cm.
Bibliography:	Includes bibliographical references (pages 20-[21]).