@misc{calculations+of+the+pressure+drop+in+the+natural+circulation+boiler+evaporator,
    author = {Grądziel, Sławomir i Majewski, Karol},
    title = {Calculations of the pressure drop in the natural circulation boiler evaporator},
    journal = {MATEC Web of Conferences},
    publisher = {EDP Sciences},
    date = {2018},
    number = {Vol. 240 (05009)}
}