@misc{low+cost+hydraulic+force+reduction+in+a+manually+operated+high+performance+directional+control+poppet+valve,
    author = {Sukiennik, Tomasz i Pawlica, Mirosław},
    title = {Low-cost hydraulic force reduction in a manually-operated high-performance directional control poppet valve},
    journal = {Technical Transactions},
    address = {Warsaw},
    publisher = {Sciendo},
    date = {2024},
    number = {Vol. 121, iss. 1}
}