For Information on the U.S. Office of Naval Research’s Marine Mammal Biology Programme see:
http://www.onr.navy.mil/sci_tech/32/322/marine_mammals_biology/marine_mammals_biology.asp
For information on the acoustics research programme of the U.S. National Marine Fisheries Service see:
http://www.nmfs.noaa.gov/pr/acoustics
For information on the UNEP extended continental shelf project and seismic air guns see:
http://www.continentalshelf.org/
For information on acoustics programmes in Europe see:
http://www.unipv.it/webcib/ibac.html, and http://solmar.nurc.nato.int/solmar/contact.html
For tutorials on underwater sound see:
http://www.dosits.org, and http://www.pmel.noaa.gov/vents/acoustics/tutorial/tutorial.html
For information on regulatory aspects of acoustic exposure of animals see: http://www.nmfs.noaa.gov/pr/species/mammals/.