30. Randall, D.J., and Wood, C.M. (1981) Carbon dioxide excretion in the land crab (Cardisoma carnifex). J. Exp. Zool. 218: 37-44. (PDF)
30. Randall, D.J., and Wood, C.M. (1981) Carbon dioxide excretion in the land crab (Cardisoma carnifex). J. Exp. Zool. 218: 37-44. (PDF)