2
Amsterdam [u.a.] : Elsevier Science, 2000-
eJournal
5
Washington : U.S. Govt. Print. Off., 1947
Book
8
by Lovász, Kálmán
Budapest : Terra, 1961
Book
17
18
[S.l.] : Integrated Publ. Assoc., 2012-[2016?]
eJournal