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.
Hans Martin Lipp. Der Entwurf von Schaltnetzen mit NAND/NOR-Gliedern. it - Information Technology, 13(2):65-74, 1971.