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@article{CM_1970__22_3_261_0, author = {Croom, F. H.}, title = {Homotopy type of mapping tracks}, journal = {Compositio Mathematica}, pages = {261--264}, publisher = {Wolters-Noordhoff Publishing}, volume = {22}, number = {3}, year = {1970}, mrnumber = {278302}, zbl = {0198.56202}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1970__22_3_261_0/} }
Croom, F. H. Homotopy type of mapping tracks. Compositio Mathematica, Tome 22 (1970) no. 3, pp. 261-264. http://geodesic.mathdoc.fr/item/CM_1970__22_3_261_0/