*Marukhin, VV: Some results of research opportunities “Hydraulic ram” as a device for obtaining power without fuel, in “Science and World International Scientific Journal, Nr. 6 (34), 2016, Vol. I, Seiten 52-61. Link: http://scienceph.ru/d/413259/d/science_and_world_no_6_34_june_vol_i.pdf | *Marukhin, VV: Some results of research opportunities “Hydraulic ram” as a device for obtaining power without fuel, in “Science and World International Scientific Journal, Nr. 6 (34), 2016, Vol. I, Seiten 52-61. Link: http://scienceph.ru/d/413259/d/science_and_world_no_6_34_june_vol_i.pdf |