000 00295nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aQL 696 .C46 .B37 1985 C.1
100 _aC.J BARNARD
245 0 _aGULLS AND PLOVERS : THE ECOLOGY AND BEHAVIOUR OF MIXED - SPECIES FEEDING GROUPS
942 _cBK
999 _c192687
_d192687