Raae, Karsten Marketing at a tree seed programme / by Karsten Raae, Sven J.C. Christensen. -- Humlebaek : Danida Forest Seed Centre, 1997. -- 31 s. : obr., tab., príl. ; 30 cm. -- (Technical Note ; 49). -- (brož.) : .00. -- ISSN 0902-3224

I. Christensen, Sven J.C.

630*232.31+630*232.3+339.138
ZV001