1. Adhesion and motility of the blood cells of Limulus;Armstrong,1985
2. Blood cells of marine invertebrates: a practical guide. Amebocytes of the American “horseshoe crab” Limulus polyphemus;Armstrong,1985
3. Cellular and humoral immunity in the horseshoe crab, Limulus;Armstrong,1991
4. In vitro phagocytosis by Limulus blood cells;Armstrong;J. Invertebr. Pathol.,1979
5. Limulus α2-macroglobulin. First evidence in an invertebrate for a protein containing an internal thiol ester bond;Armstrong;Biochem. J.,1987