1. CHENG LIANG (1956) The dorsal glands and ventral glands of Periplaneta americana (L.). Ann. Ent. Soc. Amer. 49: 548-551.
2. CORNWELL, P. B. (1968) Disease. In "The Cockroach" Vol. 1, Hutchinson, London, pp. 302-314.
3. EISNER, T., J. J. HURST and J. MEINWALD (1963) Defensive mechanisms of arthropods. XI. The structure, function, and phenolic secretions of the glands of a chordeumoid millipede and a carabid beetle. Psyche 70: 94-116.
4. ISHII, S. (1970) An aggregation pheromone of the German cockroach, Blattella germanica (L.). 2. Species specificity of the pheromone. Appl. Ent. Zool. 5: 33-41.
5. KLUGE, A. F. and T. EISNER (1971) Defense mechanisms of arthropods. XXVIII. A quinone and a phenol in the defensive secretion of a parajulid milliped. Ann. ent. Soc. Amer. 64: 314-315.