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.
Daniel Cagigas, Julio Abascal. A Hierarchical Extension of the ::::D:::::::*::: Algorithm. Journal of Intelligent and Robotic Systems, 42(4):393-413, 2005. [doi]
Abstract is missing.