Please use the following format to cite the selected article:

Działa-Szczepańczyk E. , Wesołowska I. 2008. MORPHOMETRIC CHARACTERISTICS OF ESOPHAGUS AND INTESTINE IN TUFTED DUCKS AYTHYA FULIGULA WINTERING ON THE BALTIC COASTAL AREAS IN NORTH-WESTERN POLAND, EJPAU 11(4), #35.