Dermot Shinners-Kennedy, David J. Barnes. The novice programmer's "device to think with". In Thomas J. Cortina, Ellen Lowenfeld Walker, Laurie A. Smith King, David R. Musicant, editors, Proceedings of the 42nd ACM technical symposium on Computer science education, SIGCSE 2011, Dallas, TX, USA, March 9-12, 2011. pages 511-516, ACM, 2011. [doi]
Abstract is missing.