1. Pigmentation of molluscs;Fox,1966
2. British Prosobranch Molluscs;Fretter,1962
3. A contribution to the knowledge of haemoglobin;Lankester,1872
4. Molluscan haemoglobin and myoglobin;Read,1966
5. Occurrence of haemoglobin in some molluscs;Smith;Comp. Biochem. Physiol.,1967