1. The crossing number of the n-cube;Eggleton;Amer Math Soc Notices,1970
2. Crossing number problems;Erdös;Amer Math Monthly,1973
3. On Eggleton and Guy conjectured upper bound for the crossing number of the n-cube;Faria;Mathematica Slovaca,2000
4. Crossing number is NP-complete;Garey;SIAM J Discrete Math,1983