www.mbl-inc.com
– geophysical company involved with gravity and magnetics and collaborated on the digital maps of the Central and South Atlantic margins.

www.brasil-rounds.gov.br/
Brazil license Rounds official site.

www.gl.rhul.ac.uk
Royal Holloway University of London, Department of Geology.

www.gl.rhul.ac.uk/sedtec/spreadsheets/index.html
programmes written by Dave Waltham used on salt tectonics course with free downloads available.

www.geointernational.co.uk
GEO International Ltd. Exploration consultants.

www.jmcgrow.com
The graphic design portfolio of James McGrow.