@article{MZ_1980__172_172950,
     author = {R\"udiger G\"obel and Burkard Wald},
     title = {Martin's {Axiom} {Implies} the {Existence} of {Certain} {Slender} {Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {107--122},
     publisher = {mathdoc},
     volume = {172},
     year = {1980},
     zbl = {0455.20038},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__172_172950/}
}