1. Vertical distribution of pelagic fish eggs and larvae off California and Baja California. U.S. Fish Wildlife Ser.;Ahlstrom;Fish. Bull.,1959
2. Studies on the development of endocrine glands in fishes. II. Development of the pineal organ in Clarias batrachus L;Belsare;Anat. Anz. Bd.,1974
3. Elektronenmikroskopische Untersuchungen am Pinealorgan von Pterophyllum scalare Cuv. et Val. (Cichlidae, Teleostei);Bergmann;Z. Zellforsch.,1971
4. The pineal organ of the minnow Phoxinus phoxinus;Bhargava;Adv. Abst. Contrib. Fish. Aquatic Sci. India,1970