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.
Robert F. Stengel, John R. Broussard, Paul W. Berry. Digital flight control design for a tandem-rotor helicopter. Automatica, 14(4):301-312, 1978. [doi]