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12 Biological Bulletin Home Page. Extinct and Endangered Animals and Reintroduction. http://gazelle.8m.net/photo3.html Khalaf-von Jaffa, Norman Ali (2004). Gazelle: Das Palästinensische Biologische Bulletin. Eine Wissenschaftliche Reise in Palästina, Arabien und Europa zwischen 1983 – 2004 / Gazelle: The Palestinian Biological Bulletin. A Scientific Journey in Palestine, Arabia and Europe between 1983 – 2004. ISBN 3-00-014121-9. Erste Auflage, Juli 2004: 452 Seiten. Zweite erweiterte Auflage, August 2004: 460 Seiten. Norman Ali Khalaf, Bonn-Bad Godesberg, Germany. http://dr-norman-ali-khalaf-books.webs.com/ Khalaf-von Jaffa, Norman Ali (2005). The Leopards of Palestine. Gazelle: The Palestinian Biological Bulletin. United Arab Emirates. Number 41. Twenty Third Year. May 2005. pp. 1-9. http://web.archive.org/web/20091021193837/http://geocities.com/jaffacity/Palestine _Leopard.html Khalaf-von Jaffa, Norman Ali (2005). Der Arabische Leopard (Panthera pardus nimr). Gazelle: The Palestinian Biological Bulletin. Number 42. Twenty Third Year. June 2005. pp. 1-8. Sharjah, United Arab Emirates. http://web.archive.org/web/20091021145630/http://geocities.com/jaffacity/Arabisch er_Leopard.html Khalaf-von Jaffa, Norman Ali (2005). The Jaffa Amphipod (Ampelisca jaffaensis BellanSantini and Kaim-Malka, 1977) from Jaffa, Palestine. Gazelle: The Palestinian Biological Bulletin. Number 43, July 2005. pp. 1-5. Sharjah, United Arab Emirates. http://archive.today/pRywX Khalaf-von Jaffa, Norman Ali (2005). Aquatica Arabica. An Aquatic Scientific Journey in Palestine, Arabia and Europe between 1980 - 2005 / Aquatica Arabica. Eine Aquatische Wissenschaftliche Reise in Palästina, Arabien und Europa zwischen 1980 - 2005. ISBN 300-014835-3. Erste Auflage / First Edition, August 2005: 376 Seiten / Pages. Norman Ali Khalaf, Rilchingen-Hanweiler, Bundesrepublik Deutschland & Sharjah, United Arab Emirates. http://dr-norman-ali-khalaf-books.webs.com/aquaticaarabica.htm Khalaf-von Jaffa, Norman Ali Bassam (Member of PALESTA) (2005). Palestinian Scientists and Technologists Abroad (PALESTA). Gazelle: The Palestinian Biological Bulletin. Number 47, Twenty-third Year, November 2005, Shawal 1426. pp. 11-12. Sharjah, United Arab Emirates. (in Arabic). Khalaf, Norman Ali (2005, 2006, 2007). Chapter 3: Geography, Flora and Fauna. Pages 32-39. In: Palestine: A Guide. By Mariam Shahin, Photography by George Azar. CoAuthor: Norman Ali Khalaf. Northampton, Massachusetts: Interlink Publishing Group, 2005, 2006. xi + 471 pages. Appendices to vRSইGG