Witzke, Craig Pitch pine (Pinus rigida Miller) genetics, reproduction and silvicultural management : a Literature Reiview and Annotated Bibliography / Craig Witzke. -- Kemptville : Eastern Ontario Model Forest, 1996. -- ii, 78 s. : príl. ; 28 cm. -- (Information report ; No. 31). -- ISBN 1-896392-42-5 (brož.) : .00

630*2+630*181.8+630*165.3+630*411/*414+630*174.7
ZV001