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.
Erik Miguel de Elias, Paulo Marcelo Tasinaffo, Roberto Hirata. Optical Mark Recognition: Advances, Difficulties, and Limitations. SN Computer Science, 2(5):367, 2021. [doi]
Abstract is missing.