@article {14768,
	title = {Mikra Prespa, le lac des P{\'e}licans.},
	journal = {Nos OiseauxNos Oiseaux},
	volume = {32},
	year = {1973},
	pages = {145-167.},
	keywords = {kape aves},
	author = {G{\'e}roudet, P.}
}
@article {8615,
	title = {Die Jahresverbreitung des Mariskens{\"a}ngers (<i>Acrocephalus melanopogon</i>) nach Beobachtungen und Ringfunden.},
	journal = {VogelwarteVogelwarte},
	volume = {27},
	number = {1},
	year = {1973},
	pages = {24-39.},
	keywords = {kape aves},
	author = {Leisler, B.}
}
@article {7065,
	title = {IWRB mid winter waterfowl census in Greece with observations in Italy and Yugoslavia, January 1973.},
	journal = {Bulletin of the International Wildfowl Research BureauBulletin of the International Wildfowl Research Bureau},
	volume = {35},
	year = {1973},
	pages = {47-57.},
	keywords = {kape aves},
	author = {Johnson, A R. and Carp, E.}
}
@article {5425,
	title = {[A study on the migration of the starling (<i>Sturnus vulgaris </i>L.) in Bulgaria] (in Bulg)},
	journal = {Godishnik na Sofiiskiya Universitet. Biologisheski Fakultet. Kniga I. Zoologiya, Fiziologiya i Biokimiya na Zhivotnite},
	volume = {65},
	year = {1973},
	pages = {11-21},
	keywords = {kape aves},
	author = {Doichev, R. L.}
}
@article {5055,
	title = {Ornithologische Beobachtungen am Dojran-See.},
	journal = {Ornithologische Mitteilungen},
	volume = {25},
	year = {1973},
	pages = {73-75},
	keywords = {kape aves},
	author = {Dangel, M.}
}
@article {4544,
	title = {Voyage ornithologique en Crete.},
	journal = {L{\textquoteright}OiseauL{\textquoteright}Oiseau},
	volume = {43},
	number = {4},
	year = {1973},
	pages = {330-339.},
	keywords = {kape aves},
	author = {Cheylan, G.}
}
