1. Bernard C. Les Phenomenes de la vie Paris. 1878. Paris, Bailliere. p. 113, 121.
2. Robin Charles P. Treatise of anatomical and physiological chemistry, normal and patholigic. Publisher, unknown; 1853. p. 14.
3. PFluger E. The teleologic mechanism of living nature. Pflugers Arch. 1877;15:57–103.
4. Fredericq L. The influence of the environment on the composition of blood of aquatic animals. Arch Zool Exper Gen. 1885;3:34–8.
5. Richet C. Functions of defense. Dictinnaire Physioligie. 1900;4:121.