@misc{the+influence+of+water+price+and+the+number+of+residents+on+the+economic+efficiency+of+water+recovery+from+grey+water,
    author = {Dobrzański, Maciej},
    title = {The influence of water price and the number of residents on the economic efficiency of water recovery from grey water},
    journal = {Technical Transactions},
    address = {Warsaw},
    publisher = {Sciendo},
    date = {2021},
    number = { Vol. 118, iss. 1}
}