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.
R. Ramesh, I. V. Ramakrishnan. Nonlinear Pattern Matching in Trees. Journal of the ACM, 39(2):295-316, 1992. [doi]
Abstract is missing.