Gamuts and cofibrations
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 31 (1990) no. 3, p. 197-211 
@article{CTGDC_1990__31_3_197_0,
     author = {Rosebrugh, Robert D. and Wood, R. J.},
     title = {Gamuts and cofibrations},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {31},
     number = {3},
     year = {1990},
     pages = {197-211},
     zbl = {0723.18006},
     mrnumber = {1087864},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1990__31_3_197_0}
}

Rosebrugh, R.; Wood, R. J. Gamuts and cofibrations. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 31 (1990) no. 3, pp. 197-211. http://www.numdam.org/item/CTGDC_1990__31_3_197_0/

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