1. Barać S.R., Biberdžić M., Đikić A., (2011), Result of testing of seeds and quality losses of harvested mass depending on the drum-underdrum interspace at buckwheat harvest grain combines. (Rezultatultestării semințelor și a pierderilor de calitate ale masei recoltate în funcție de spațiul intersecție tambursubdrum la combinele de boabe de recoltare din hrișcă). Research Journal of Agricultural Science, Vol.43, Issue 1, pp. 283-288, Timisoara / Romania;
2. Bello B., Tokan A., Jiya D. et al., (2019), Design model of automated groundnut threshing machine,Majlesi Journal of Mechatronic Systems, Vol. 8, Issue 1, pp. 19-24, Tehran / Iran;
3. Dhananchezhiyan P., Parveen S., Rangasamy K. et al., (2013), Development of a nylon rasp bar threshing cylinder for portable paddy thresher and its performance evaluation, Madras Agricultural Journal, Vol. 2013, Issue 100, pp. 623–626, New Delhi / India;
4. Di Zhifeng, Cui Zhongkai, Zhang Hua et al., (2018), Design and experiment of rasp bar and nail tooth combined axial flow corn threshing cylinder. Transactions of the Chinese Society of Agricultural Engineering, Vol. 34, Issue 1, pp. 28-34, Beijing / China;
5. Farooq S., Rehman R.U., Pirzadah T. et al., (2016), Cultivation agronomic practices and growth performance of buckwheat. Molecular breeding and nutritional aspects of buckwheat, Elsevier, Amsterdam/Netherlands;