magazine and prospective appear: titel of the article:   pdf doc download
ZGAP Mitteilungen, 16. Jahrgang Heft 2 - November 2000; 22-23
Morphologische und genetische Untersuchungen zum systematischen Status der Populationen des Gelbwangen- und des Gelbhaubenkakadus
European Studbook For The Red-Vented Cockatoo (Cacatua haematuropygia) No.6 : 2000
The taxonomic status of the Philippine Cockatoo (Cacatua haematuropygia)
        
Parrot Biology, 07/2001
Arndt Verlag 
Genetic and morphologic analysis of the relationship 
between and within the Populations of the Lesser-sulphur crested Cockatoo (Cacatua galerita) (Latham 1790) and the Sulphur crested Cockatoo  (Cacatua sulphurea) (Gmelin 1788)
      
Papageien, 05/2001; 166-174
Arndt Verlag 
Der systematische Status von Gelbhauben- und Gelbwangenkakadu
EMU
Genetic and morphologic analysis of the relationship 
between and within the Populations of the Lesser-sulphur crested Cockatoo (Cacatua galerita) (Latham 1790) and the Sulphur crested Cockatoo  (Cacatua sulphurea) (Gmelin 1788) 
      

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