1. Accetto M 1997. On 'forgotten mountain pine' (Pinus mugo) in the Kocevsko area. Gozdarski Vestnik 55(4):202-211; 20 ref.
2. Ba^hook~czkiewicz A Prus-Glowacki W 1997. Variability of Pinus mugo Turra clones from Ostry Wierch peat bog. Acta Societatis Botanicorum Poloniae 66(1):79-82; 10 ref.
3. Benecke U Baker G McCracken IJ Orwin J 1978. Tree growth in the Craigieburn Range. Revegetation in the rehabilitation of mountain lands. FRI-Symposium -New-Zealand-Forest-Service No. 16 77-98.
4. Bernetti G 1995. Selvicoltura speciale. Torino Italy: UTET.
5. Brandli UB 1996. Die haufigsten Walbaume der Schweiz. Ergebnisse aus dem Landesforstinventar 1983-1985. Verbreitung Standort und Haufigkeit von 30 Baumarten [The commonest forest trees in Switzerland. Findings from the National Forest Inventory 1983-85: distribution site and frequency of 30 tree species.]. Berichte der Eidgenossischen Forschungsanstalt fur Wald Schnee und Landschaft No. 342: pp. 278; 78 ref.