1. Structure and yield potential of Scots pine (Pinus silvestris L.) forests in Turkey and the principles to be followed in managing these forests;Alemdag;Ormancilik Arastirma Enstitüsü Yayinlari, Teknik Bülten Serisi No. 20,1967
2. Site indexes for Lodgepole pine, with corrections for stand density: Instructions for Field Use;Alexander;U.S. For. Serv., Res. Pap. RM-24,1966
3. Site indexes for Lodgepole pine with corrections for stand density: Methodology;Alexander;U.S. For. Serv., Res. Pap. RM-29,1967
4. Cercetari asupra productiei, cresterii si calitatii arboretelor de molid;Armasescu;Centrul de Documentare Tehnica pentru Economia Forestiera,1965
5. Vorläufige Fichten-Ertragstafel für Bayern;Assmann;Forstwiss. Centralbl.,1965