@book {MR1688579,
    AUTHOR = {Steenrod, Norman},
     TITLE = {The topology of fibre bundles},
    SERIES = {Princeton Landmarks in Mathematics},
      NOTE = {Reprint of the 1957 edition,
              Princeton Paperbacks},
 PUBLISHER = {Princeton University Press, Princeton, NJ},
      YEAR = {1999},
     PAGES = {viii+229},
      ISBN = {0-691-00548-6},
   MRCLASS = {55-02 (01A75 55Rxx)},
  MRNUMBER = {1688579},
}


@book {MR1249482,
    AUTHOR = {Husemoller, Dale},
     TITLE = {Fibre bundles},
    SERIES = {Graduate Texts in Mathematics},
    VOLUME = {20},
   EDITION = {Third},
 PUBLISHER = {Springer-Verlag, New York},
      YEAR = {1994},
     PAGES = {xx+353},
      ISBN = {0-387-94087-1},
   MRCLASS = {55-01 (19Lxx 55-02 55Rxx 57R20 57R22)},
  MRNUMBER = {1249482},
MRREVIEWER = {Jo\v{z}e\ Vrabec},
       DOI = {10.1007/978-1-4757-2261-1},
       URL = {https://doi.org/10.1007/978-1-4757-2261-1},
}
@article {MR0293625,
    AUTHOR = {tom Dieck, Tammo},
     TITLE = {Partitions of unity in homotopy theory},
   JOURNAL = {Compositio Math.},
  FJOURNAL = {Compositio Mathematica},
    VOLUME = {23},
      YEAR = {1971},
     PAGES = {159--167},
      ISSN = {0010-437X,1570-5846},
   MRCLASS = {55D10},
  MRNUMBER = {293625},
MRREVIEWER = {Robert\ Freeman\ Brown},
}



@article {MR0155330,
    AUTHOR = {Dold, Albrecht},
     TITLE = {Partitions of unity in the theory of fibrations},
   JOURNAL = {Ann. of Math. (2)},
  FJOURNAL = {Annals of Mathematics. Second Series},
    VOLUME = {78},
      YEAR = {1963},
     PAGES = {223--255},
      ISSN = {0003-486X},
   MRCLASS = {55.50},
  MRNUMBER = {155330},
MRREVIEWER = {E.\ Fadell},
       DOI = {10.2307/1970341},
       URL = {https://doi.org/10.2307/1970341},
}


@article {MR0650393,
    AUTHOR = {Lashof, R. K.},
     TITLE = {Equivariant bundles},
   JOURNAL = {Illinois J. Math.},
  FJOURNAL = {Illinois Journal of Mathematics},
    VOLUME = {26},
      YEAR = {1982},
    NUMBER = {2},
     PAGES = {257--271},
      ISSN = {0019-2082},
   MRCLASS = {57S10 (55R10)},
  MRNUMBER = {650393},
MRREVIEWER = {T.\ tom Dieck},
}
@article {MR0091470,
    AUTHOR = {Huebsch, William},
     TITLE = {On the covering homotopy theorem},
   JOURNAL = {Ann. of Math. (2)},
  FJOURNAL = {Annals of Mathematics. Second Series},
    VOLUME = {61},
      YEAR = {1955},
     PAGES = {555--563},
      ISSN = {0003-486X},
   MRCLASS = {55.0X},
  MRNUMBER = {91470},
MRREVIEWER = {F.\ Hirzebruch},
       DOI = {10.2307/1969813},
       URL = {https://doi.org/10.2307/1969813},
}


@article {MR0234461,
    AUTHOR = {Derwent, J.},
     TITLE = {A note on numerable covers},
   JOURNAL = {Proc. Amer. Math. Soc.},
  FJOURNAL = {Proceedings of the American Mathematical Society},
    VOLUME = {19},
      YEAR = {1968},
     PAGES = {1130--1132},
      ISSN = {0002-9939,1088-6826},
   MRCLASS = {55.50},
  MRNUMBER = {234461},
MRREVIEWER = {J.\ Dugundji},
       DOI = {10.2307/2036043},
       URL = {https://doi.org/10.2307/2036043},
}

@article {MR0098378,
    AUTHOR = {Curtis, M. L. and Lashof, R.},
     TITLE = {Homotopy equivalence of fiber bundles},
   JOURNAL = {Proc. Amer. Math. Soc.},
  FJOURNAL = {Proceedings of the American Mathematical Society},
    VOLUME = {9},
      YEAR = {1958},
     PAGES = {178--182},
      ISSN = {0002-9939,1088-6826},
   MRCLASS = {55.00},
  MRNUMBER = {98378},
MRREVIEWER = {W.\ S.\ Massey},
       DOI = {10.2307/2033133},
       URL = {https://doi.org/10.2307/2033133},
}