TY - GEN L1 - http://www.rcin.org.pl/igipz/Content/81929/PDF/WA51_107248_00099_Dubin_wiatrakp.pdf M3 - Text UR - http://www.rcin.org.pl/igipz/dlibra/publication/edition/81929 ER - TY - GEN L1 - http://www.rcin.org.pl/igipz/Content/147439/PDF/WA51_183132_03932_Dubin_mlyn_wodny.pdf M3 - Text UR - http://www.rcin.org.pl/igipz/dlibra/publication/edition/147439 ER -