MICROSATELLITE ANALYSIS OF THE ANDEAN BEAR ACROSS ITS RANGE, DISTRIBUTION, Manuel Ruiz-Garcia, Pablo Orozco-Wengel, Armando Castellanos, Leonardo Arias.
Analisis de la estructura genetica del oso andino (Tremarctos ornatus) en el norte de los Andes (Venezuela, Colombia, Ecuador): Implicaciones conservacionistas. Manuel Ruiz-Garcia and Armando Castellanos.
Martin, A Bear's Fight for Freedom, By Armando X. Castellanos P., Fundacion Espiritu del Bosque
ATTACKS BY ANDEAN BEARS ON LIVESTOCK IN THE COSANGA RIVER WATERSHED, ECUADOR By Armando X. Castellanos P., Fundacion Espiritu del Bosque
MY ENCOUNTER WITH A WILD ANDEAN BEAR, by Armando X. Castellanos P.
MI ENCUENTRO CON UN OSO ANDINO SILVESTRE. Por Armando X. Castellanos P.
Ecology and Behavior of Reintroduced Andean Bears in the Biological Reserve Maquipucuna, Ecuador: Implications in Conservation, Armando X. Castellanos P., Marco Altamirano B., and Gustavo Tapia A.
THE ANDEAN BEAR, FIRST EXPERIENCES WITH THE REHABILITATION AND LIBERATION OF THREE BEARS, Article published in the Magazine Deportes Sin Limites, Julio 1998, Number 02, Pages 37-41, by Armando Castellanos P.
EL OSO ANDINO , PRIMERAS EXPERIENCIAS CON LA REHABILITACION Y LIBERACION DE TRES EJEMPLARES. Articulo publicado en la Revista Deportes Sin Limite, Julio 1998, Numero 02, Paginas 37-41, Por Armando Castellanos P.
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