@article{MS2_1972__31_166250,
     author = {John R. Isbell},
     title = {Atomless {Parts} of {Spaces.}},
     journal = {Mathematica Scandinavica},
     pages = {5--32},
     publisher = {mathdoc},
     volume = {31},
     year = {1972},
     zbl = {0246.54028},
     url = {http://geodesic.mathdoc.fr/item/MS2_1972__31_166250/}
}