7Alonso CJ,Lane JS,Dawson R,et al.2000.Great Bustard otis tarda in Morocco:Status in spring 1999 and evidence of a decline in recent decades.Oryx,34(2):141～145
8Alonso JC,Alonso JA.1992.Male-biased dispersal in the Great Bustard (Otis tarda).Ornis Scandinavica,23(11):81～88
9Alonso JC,Alonso JA.1996.The Great Bustard (Otis tarda) in spain:Present status, recent trends and an evaluation of earlier censuses.Biol Cons,77(1):79～86
10Alonso JC,Morales MB,Alonso JA.2000.Partial migration, and lek and nesting area fidelity in female Great Bustard.Condor,102(1):127～136
