Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Chau-Hung Wang, Sheue-Ling Hwang. The dynamic hierarchical model of problem solving. IEEE Transactions on Systems, Man, and Cybernetics, Part A, 19(5):946-954, 1989. [doi]
Abstract is missing.