Ralph Grimaldi

Ternary Strings with no Consecutive 1's

Ralph Grimaldi, 2008, Ars Comb..

Binary Strings Without Odd Runs of Zeros

Ralph Grimaldi, Silvia Heubach, 2005, Ars Comb..

Discrete and combinatorial mathematics - an applied introduction (3. ed.)

Ralph Grimaldi, R. Grimaldi, 1993 .

The Frequency of Summands of a Particular Size in Palindromic Compositions

Ralph Grimaldi, Phyllis Z. Chinn, Silvia Heubach, 2003, Ars Comb..