RT Journal T1 Edge colorings of 1-planar graphs for maximum degree eight #br# without adjacent 4-cycles A1 ZHANG Jia-li, MIAO Lian-ying, SONG Wen-yao PB JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) FD 2014-04-20 YR 2014 JF JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) VO 49 IS 04 SP 18 DO 10.6040/j.issn.1671-9352.0.2013.138 K1 1-planar graph; edge coloring; discharging LK {http://lxbwk.njournal.sdu.edu.cn/EN/article/article_276.shtml}