no. 2
κ-R-spaces
Compositio Mathematica, Tome 25 (1972) no. 2, pp. 149-152. 
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     author = {Marty, R. H.},
     title = {$\kappa -R$-spaces},
     journal = {Compositio Mathematica},
     pages = {149--152},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {25},
     number = {2},
     year = {1972},
     zbl = {0241.54017},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1972__25_2_149_0/}
}
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Marty, R. H. $\kappa -R$-spaces. Compositio Mathematica, Tome 25 (1972) no. 2, pp. 149-152. http://archive.numdam.org/item/CM_1972__25_2_149_0/

S.P. Franklin [1] Spaces in which sequences suffice II, Fund. Math. 61 (1967), 51-56. | MR | Zbl

[2] Natural covers, Compositio Math. 21 (1969), 253-261. | Numdam | MR | Zbl

S. Owka [3] R-spaces, Acta Math. Acad. Sci. Hungar. 21 (1970), 261-266. | MR | Zbl

[4] Mazur Theorem and m-adic spaces, Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 18 (1970), 299-305. | MR | Zbl