1. Bailey R G 1995 Description of the Ecoregions of the United States (Second Revised and Expanded Edition)
2. BEA 2012 Final Report: On the Accident on 1st June 2009 to the Airbus 330-203 Registere F-GZCP Operated by Air France Flight AF 447 Rio de Janeiro-Paris http://www.bea.aero/en/enquetes/flight.af.447/rapport.final.en.php
3. Bryce S A Griffith G E Omernik J M Edinger G Indrick S Vargas O Carlson D 2010 Ecoregions of New York (Color Poster with Map, Descriptive Text, Summary Tables, and Photographs) http://www.epa.gov/wed/pages/ecoregions/ny_eco.htm
4. Castle T S 1998 Coordinated Inland Area Search and Rescue (SAR) Planning and Execution Tool http://calhoun.nps.edu/public/handle/10945/8156
5. Cawi E 2014 The Lognormal Distance Model SARBayes http://sarbayes.org/projects/lost-person-behavior/the-lognormal-distance-model/