1. Acar HH (1995) Investigation on the transport from compartment of forest trees by MB Trac 900 special forest tractor on Artvin region. Turk J Agric For 19(1):45–50
2. Acar HH (1997a) Investigation of extraction with forest tractors on mountainous areas. Turk J Agric For 21(3):299–306
3. Acar HH (1997b) An investigation on the extraction from compartment by mobile skylines at the mountainous region. Turk J Agric For 21(2):195–200
4. Akay AE (2005) Determining cost and productivity of using animals in forest harvesting operations. Appl Sci Res 1(2):190–195
5. Bayoglu S (1985) Ormancilikta mekanizasyon ve gelismesi. Ormancilikta mekanizasyon ve verimliligi I. ulusal sempozyumu, Milli Produktivite Merkezi Yayinlari, Bolu, Turkey