The point of a Guillemot's egg

Thickness of Common Murre (Uria aalge) eggshells in Atlantic Canada

(2017) Donald W. Pirie-Hay et al.  

Quantification of eggshell microstructure using X-ray micro computed tomography

(2014) A. Riley et al.   BRITISH POULTRY SCIENCE

Systematics and evolution of the Pan-Alcidae (Aves, Charadriiformes)

(2014) N. Adam Smith et al.   JOURNAL OF AVIAN BIOLOGY

A comparison of indices and measured values of eggshell thickness of different shell regions using museum eggs of 230 European bird species

(2012) Golo Maurer et al.   IBIS

NIH Image to ImageJ: 25 years of image analysis

(2012) Caroline A Schneider et al.   NATURE METHODS

The breeding biology of Guillemots Uria aalge on the Isle of May over a six year period

(2008) M. P. HARRIS et al.   IBIS