1. Asymptotic enumeration of regular matrices;Békéssy;Studia Sci. Math. Hungar.,1972
2. The asymptotic number of nonnegative integer matrices with given row and column sums;Bender;Discrete Math.,1974
3. Random Graphs;Bollobás,2001
4. E.R. Canfield, B.D. McKay, Asymptotic enumeration of integer matrices with large equal row and column sums, submitted for publication, 2007