Bulgakov, V. Machines for sugar beet harvesting. Theory and calculation. Sofia: Prof. Marin Drinov Publishing House of the BAS, 2018 288 p. 978-954-322-926-0.
Bulgakov, V. Machines for sugar beet harvesting. Theory and calculation. Sofia: Prof. Marin Drinov Publishing House of the BAS, 2018 288 p. 978-954-322-926-0.
Bulgakov, V. (2018) Machines for sugar beet harvesting. Theory and calculation, Sofia: Prof. Marin Drinov Publishing House of the BAS 288 p. 978-954-322-926-0.
Bulgakov, V. (2018). Machines for sugar beet harvesting. Theory and calculation. [Scientific Monograph]. Sofia: Prof. Marin Drinov Publishing House of the BAS, 288 p.
Bulgakov V. Machines for sugar beet harvesting. Theory and calculation: [Scientific Monograph]. Sofia: Prof. Marin Drinov Publishing House of the BAS; 2018. p. 288 p. ISBN: 978-954-322-926-0.