Sustainable methods and ecological processes of a conversion of pure Norway spruce and Scots pine stands into ecologically adapted mixed stands. -- Stuttgart : Eugen Ulmer, 2004. -- 244 s. : obr., tab., graf. ; 24 cm. -- (Forstwissenschaftliche Beiträge Tharandt - Contributions to Forest Sciences ; Heft 20). -- ISBN 3-8001-4814-5 (brož.). -- ISSN 1434-8233

630*120+630-022.316
ZV001