Solomon Gebregziabher, Karel De Swert, Wouter Saeys, Herman Ramon, Bart De Ketelaere, Abdul M. Mouazen, Petros Gebray, Kindeya Gebrehiwot, Hans Bauer, Jozef Deckers, Josse De Baerdemaeker. Effect of side-wings on draught: The case of Ethiopian ard plough (maresha). Computers and Electronics in Agriculture, 127:131-140, 2016. [doi]