APA:
Berman, Leah, Mitchell, William H. (2015). Sparse line deletion constructions for symmetric 4-configurations.
Ars mathematica contemporanea, volume 9, issue 2, str. 165-186.
URN:NBN:SI:DOC-7P1EQ4WA from http://www.dlib.si
MLA:
Berman, Leah, Mitchell, William H.. "Sparse line deletion constructions for symmetric 4-configurations."
Ars mathematica contemporanea volume 9. issue 2 (2015) str. 165-186.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-7P1EQ4WA>