@article{MM2_1977__20_154431,
     author = {Hans Joachim Baues},
     title = {Rationale {Homotopietypen.}},
     journal = {Manuscripta mathematica},
     pages = {119--132},
     publisher = {mathdoc},
     volume = {20},
     year = {1977},
     zbl = {0354.55003},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__20_154431/}
}