RFC 2331
ATM Signalling Support for IP over ATM - UNI Signalling 4.0 Update. M. Maher. April 1998.
http://tools.ietf.org/html/rfc2331

Theory of Honest Signalling
Costly signalling and Zahavi's handicap principle in animal communication: sexual selection, signalling among relatives, and in human communication.
http://octavia.zoology.washington.edu/handicap/

Cellular Signalling
Papers covering all aspects of mechanisms, actions and structural components of cellular signalling systems.
http://www.elsevier.com/wps/find/journaldescription.cws_home/525462/description

Railway Signalling Design Training for the UK
UK signalling design courses and other related services for the UK rail industry.
http://www.peak-ict.co.uk/

Mikko Juusola
studies processing in visual neurons of Drosophila as well as effects of molecular components on neural computations and sensory adaptation. Influence of rearing and environment on signalling is studied and signalling during natural stimulation is analyzed and modeled.
http://www.shef.ac.uk/bms/research/juusola

Carl T. Bergstrom - Signalling Theory and Animal Communication
Costly signalling and Zahavi's handicap principle in animal communication: sexual selection, signalling among relatives, and in human communication.
http://octavia.zoology.washington.edu/handicap/

Solinet
SOLINET provides telecommunications conformance testing software. Technologies covered include IMS, ISDN, SS7, GSM, IN, V5 and ATM. Based on an extended subset of relevant international standards SDL and ASN.1. The SOLINET suite includes a protocol analyser and packet decoder, conformance test systems, an advanced Finite State Machine (FSM) integrated run time environment and an easy to use SDL editor for FSMs and test suites.
http://www.solinet.com/

London Rail Recruitment
UK Agency with immediate Rail job vacancies in London always available for Signalling Designers, Signalling Principle Designers, Signalling Design Verifier, Signalling Installers, Signalling Team Leader, Installation Managers, Point Fitters, Locking Fitter (Mechanical and Electrical), Signalling Verification Testers, Signalling Functional Tester, Rail Project Engineers, Signalling Maintainers, Signalling Fault Finder and Managers and Testers to fill Maintenance Vacancies.
http://www.londonrailrecruitment.com

Precision Air Technology Inc.
Clean Technology Electronic Air Filter Monitor Accurate on both Constant and Variable Air Flows
http://www.filtrometer.com

Biochemistry Course
Biochemistry course materials
http://www.med.unibs.it/~marchesi/subjects.html