@article{oai:tsukuba.repo.nii.ac.jp:00015864,
 author = {Katuta, Yukiti},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {27--43},
 title = {Characterizations of paracompactness by increasing covers and normality of product spaces},
 volume = {1},
 year = {1977}
}