June 1993 VOLUME 17 - N. 1 AVOCETTA VOLUME 17 - N. 1 June 1993 Read Article Online Download Pdf AVOCETTA - VOLUME 17 - N. 1 June 1993 Breeding populations of gulls and terns in northern Egypt MEININGER P.L., SCHEKKERMAN H. and ATTA G.A.M. 23 73 Read Article Download Abstract: