[1] G. C. L. BRUMMER: A categorical study of initiality in u-uniform topology. Thesis, Univ. of Cape Town, 1971.
[2] S. MACLANE:
Categories for the working mathematician. Springer-Verlag, New York, Berlin, 1971.
MR 0354798
[3] S. SALBANY:
Bitopological spaces, compactificotions and completions. Math. Monographs U.C.T. Vol. 1, 1974.
MR 0425919
[5] O. WYLER:
Filter space monads, regularity, completion. TOPO 72 - General Topology and its Applications, Lecture Notes in Math. 378 (1974), 591-637.
MR 0375203