Pickett_2017_16 PickettJ. 2017 16 wood cutting manufacture wood text Middle Ages Near East sawing timber 0,625 m3 sawed in 1 p-h p-h var2 / 0,625 m3 var1 * 0,625 Data was converted from work days to person-hours. Author refers to 8 hour work days. BuccellatiF. MarkoJ.25.4.2019