| Animal Conservation 2 3 : 165-171 | 1999 : Molecular genetic relationships of the extinct ostrich, Struthio camelus syriacus: consequences for ostrich introductions into Saudi Arabia |
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| Rothschild, Walter 1919 : Description of a new subspecies of Ostrich from Syria | 1999 : Guidelines for Subspecific Substitutions in Wildlife Restoration Projects |
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