no. 1
Homotopy negligible subsets of bundles
Compositio Mathematica, Tome 24 (1972) no. 1, pp. 119-128. 
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     author = {Wong, Raymond Y. T.},
     title = {Homotopy negligible subsets of bundles},
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     pages = {119--128},
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     number = {1},
     year = {1972},
     zbl = {0235.57005},
     mrnumber = {307269},
     language = {en},
     url = {http://www.numdam.org/item/CM_1972__24_1_119_0/}
}
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Wong, Raymond Y. T. Homotopy negligible subsets of bundles. Compositio Mathematica, Tome 24 (1972) no. 1, pp. 119-128. http://www.numdam.org/item/CM_1972__24_1_119_0/

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