1. Seasonal changes in lipid composition during the reproductive cycle of the red-chinned lizard Sceloporus undulatus erythrocheilus;Ballinger;Comp. Biochem. Physiol.,1992
2. A rapid method of total lipid extraction and purification;Bligh;Can. J. Biochem. Physiol.,1959
3. Winter temperatures of Chrysemys picta nests in Michigan: effects on hatchling survival;Breitenbach;Herpetologica,1984
4. Competition, the fitness of offspring, and optimal clutch size;Brockelman;Am. Nat.,1975
5. Reproductive energetics of the painted turtle (Chrysemys picta);Congdon;Herpetologica,1982