scholarly article (1997)

scientific article

scientific article published in 1989

article

scientific article published on 01 January 1978

scientific article published on 23 June 1995

scientific article published on 23 June 1995

scientific article published in 2008

scientific article published in 1988

scholarly article published in The Condor in October 1978

scholarly article by H. Mendelssohn & U. Paz published April 1977 in Biological Conservation

scientific article

scientific article

scientific article

scientific article

scientific article