D. Alsop

Anatomy, ultrastructure, and functional morphology of the metathoracic tracheal defensive glands of the grasshopper Romalea guttata
Whitman, D. W., J.P.J. Billen, D. Alsop, and M.S. Blum. 1991. “Anatomy, Ultrastructure, And Functional Morphology Of The Metathoracic Tracheal Defensive Glands Of The Grasshopper Romalea Guttata”. Can. J. Zool. 69: 2100-2108.