Reviews and current airship technologies in place.
http://www.aerospace-technology.com/projects/skycat/
http://www.dailygalaxy.com/my_weblog/2007/12/the-airship-of.html
http://www.dynalifter.com/Dynaliftercom/Concept.htm
http://www.aerosml.com/ml866/model.html
Everything else is on wikipedia.org, just search hybrid airships.
