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Bibliography

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C. H. Dowker, On countably paracompact spaces, Canadian J. of Math. vol. 3 (1951) pp. 219-224. MR 0043446 (13:264c)

[2]

-, On a theorem of Hanner, Arkiv för Matematik vol. 2 (1952) pp. 307-313. MR 0050874 (14:396a)

[3]

E. Michael, A note on paracompact spaces, Proc. Amer. Math. Soc. vol. 4 (1953) pp. 831-838. MR 0056905 (15:144b)

[4]

-, Paracompact spaces 29, Bull. Amer Math. Soc. Research Problem 61-6-29.

[5]

J. Nagata, On a necessary and sufficient condition of metrizability, J. Inst. Polytech., Osaka City Univ., Ser. A. Math. vol. 1 (1950) pp. 93-100. MR 0043448 (13:264e)

[6]

Yu. Smirnov, A necessary and sufficient condition for metrizability of a topological space, Doklady Akad. Nauk. SSSR. N.S. vol. 77 (1951) pp. 197-200. MR 0041420 (12:845c)

[7]

G. T. Whyburn, Open and closed mappings, Duke Math. J. vol. 17 (1950) pp. 69-74. MR 0031713 (11:194e)