Jonsson, Bengt Volume yield to mid-rotation in pure and mixed sown stands of Pinus sylvestris and Picea abies in Sweden / Bengt Jonsson. -- Uppsala : Swedish University of Agricultural Sciences, 2001. -- 19 s. : obr., tab. ; 25 cm. -- (Studia Forestalia Sueicica ; 211/2001). -- ISBN 91-576-6137-5 (brož.) : .00. -- ISSN 0039-3150

630*62+630*228.3+630*174.7
ZV001