10. McDonald, D.G., McMahon, B.R., and Wood, C.M. (1977) Patterns of heart and scaphognathite activity in the crab, Cancer magister. J. Exp. Zool. 202: 33-44. (PDF)
10. McDonald, D.G., McMahon, B.R., and Wood, C.M. (1977) Patterns of heart and scaphognathite activity in the crab, Cancer magister. J. Exp. Zool. 202: 33-44. (PDF)