@article{700623,
     title = {Some topological applications of a generalized Martin's axiom},
     booktitle = {General topology and its relations to modern analysis and algebra IV},
     series = {GDML\_Books},
     publisher = {Society of Czechoslovak Mathematicians and Physicist},
     address = {Praha},
     year = {1977},
     pages = {[453]-[453]},
     url = {http://dml.mathdoc.fr/item/700623}
}

Tall, F. D. Some topological applications of a generalized Martin's axiom, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), p. [453]. http://gdmltest.u-ga.fr/item/700623/