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.
Hubert Piontek, Matthias Seyffer, Jörg Kaiser. Improving the accuracy of ultrasound-based localisation systems. Personal and Ubiquitous Computing, 11(6):439-449, 2007. [doi]