June 1994 VOLUME 18 - N. 1 AVOCETTA VOLUME 18 - N. 1 June 1994 Read Article Online Download Pdf AVOCETTA - VOLUME 18 - N. 1 June 1994 Inter-annual constancy in the laying period or Cory's Shearwater Calonectris diomedea diomedea on Lavezzi Island (Corsica) THIBAULT j.C., CLEMENCEAU I and GUYOT I. 18 72 Read Article Download Abstract: