F.G. Garvan;
A number-theoretic crank associated with open
boson strings,
Number Theory and cryptography (Sydney, 1989),
London Math. Soc. Lecture Notes Ser., 154,
Cambridge Univ. Press, Cambridge, 1990, 221-226.
Abstract:
A Dyson-type crank is given which explains Moreno's congruence
for the number of open bosonic strings.
This crank is in terms of $24$-coloured partitions.