1. A Comparison of Three Techniques for Monitoring Avian Nest Attentiveness and Weight Change (Comparación de tres técnicas utilizadas para monitorear la atención al nido y el cambio en peso de aves que incuban) Author Mallory, Mark L. and Weatherhead, Patrick J. Published 1992
2. Size, Shape, Number, and Distribution of Periblast Nuclei in the Muskellunge Embryo (Clupeiformes: Esocidae) Author Bachop, William Published 1965 Full Text View/download PDF
3. Dr. Gadow and Miss Abbott on the Vertebral Column of Fishes Author Hay, O. P. Published 1897 Full Text View/download PDF