Mache, P. Rehabilitation and upgrading of a small hydropower plant in the Austrian Alps. София: УАСГ, 2017 стр. 43-52,.
Mache, P. Rehabilitation and upgrading of a small hydropower plant in the Austrian Alps. София: УАСГ, 2017 стр. 43-52,.
Mache, P. (2017) Rehabilitation and upgrading of a small hydropower plant in the Austrian Alps, София: УАСГ стр. 43-52,.
Mache, P. (2017). Rehabilitation and upgrading of a small hydropower plant in the Austrian Alps. Годишник на УАСГ (с. стр. 43-52). София: УАСГ. 50 (Брой 1).
Mache P. Rehabilitation and upgrading of a small hydropower plant in the Austrian Alps. София: УАСГ; 2017. p. стр. 43-52.