[1] P. S. ALKLUTOROV B. A PASYNKOV: Introduction to Dimension Theory. (Nauka, Moscow, 1973).

[2] A. CHIGOGIDZE: On a generaliaiation of perf eotly normal spaces. Topology Appl. 13 (1982), 15-20. MR 0637423

[3] R. ENGEKING: General Topology. (PWN, Warssawa, 1977).

[4] V. V. FEDORČUK: On the dimenBioa of k-metrisable hiooapacta. in particular Dugundji spaces, Dokl. Akad. Nauk SSS1 234 (1977), 30-33. MR 0451213

[5] B. HOFFMAN: Locally Dugundji spaces aad quotient spaces of locally compact groups. Quart. J. Math. 31 (1980), 181-190. MR 0576336

[6] L. KELDYŠ: An example of a one-dimenaional continuus which can be mapped onto a square by a zerodimensional open napping. Dokl. Akad. Nauk SSSR 97 (1954), 201-204. MR 0063030

[7] A. KOLMOGOROV: Über offens Abbildungen. Ann. of Math. 38 (1937), 36-38.

[8] K. KURATOWSKI: Topology. toI. 1 (Academic Press, New York 1966). MR 0217751 | Zbl 0163.17002

[9] E. MICHAEL: Selected selection theorems. Amer. Math. Monthly 63 (1956), 233-238. MR 1529282 | Zbl 0070.39502

[10] B. A. PASYNKOV: Zero-dimensional open mappings which arise dimension. Uspehi Mat. Nauk 18 (1963), 183-190. MR 0156320

[11] E. V. ŠČEPIN: Functors and uncountable powers of compacta. Uspehi Mat. Nauk 36 (1981), 3-62. MR 0622720

[12] B. C. WILSON: Open mappings of the universal curve onto continuous curves. Trans. Amer. Math. Soc. 168 (1972), 497-515. MR 0298630 | Zbl 0239.54007