@article{10_4064_am_6_1_79_110,
     author = {B. Rutkowski},
     title = {Tr\'ojwska\'znikowa klasyfikacja drzewostan\'ow sosnowych metod\k{a} wroc{\l}awsk\k{a}},
     journal = {Applicationes Mathematicae},
     pages = {79--110},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1962},
     doi = {10.4064/am-6-1-79-110},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-6-1-79-110/}
}