1. The occurrence of octopine, agmatine and arginine in the octopod;Ackermann;Eledone maschata. Z. physiol. Chem.,1937
2. Further studies on octopine;Irvin;J. biol. Chem.,1938
3. Isolation of natural substances by ion exchange resins—III. A new simple method for the isolation of octopine and taurine from squid muscles and the estimation of their amounts;Kojima;J. Scient. Res. Inst., Tokyo,1955
4. Nitrogenous extractives of scallop muscle—I. The isolation and a study of the structure of octopine;Moore;J. biol. Chem.,1937
5. Nitrogenous extractives of scallop muscle—II. Isolation and quantitative analyses of muscles from freshly killed scallops;Moore;J. biol. Chem.,1937