Bulgakov, V., , E. Machines for Sugar Beet Harvesting. Sofia: Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences, 2018 286 p., fig. 978-954-322-926-0.
Bulgakov, V., , E. Machines for Sugar Beet Harvesting. Sofia: Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences, 2018 286 p., fig. 978-954-322-926-0.
Bulgakov, V., , E. (2018) Machines for Sugar Beet Harvesting, Sofia: Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences 286 p., fig. 978-954-322-926-0.
Bulgakov, V., & , E. (2018). Machines for Sugar Beet Harvesting. Theory and Calculation. Sofia: Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences, 286 p., fig.
Bulgakov V, E. Machines for Sugar Beet Harvesting: Theory and Calculation. Sofia: Prof. Marin Drinov Publishing House of Bulgarian Academy of Sciences; 2018. p. 286 p., fig. ISBN: 978-954-322-926-0.