@article{HHA_2003_5_1_a14,
     author = {R. W. Kieboom and G. Sonck and T. Van der Linden and P. J. Witbooi},
     title = {Weak (co)fibrations in categories of (co)fibrant objects},
     journal = {Homology, homotopy, and applications},
     pages = {345--386},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2003},
     doi = {10.4310/HHA.2003.v5.n1.a15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4310/HHA.2003.v5.n1.a15/}
}