 | Williams, D. J. (2 article(s)) |
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 | | Homoptera of the Mascarene Islands - an annotated catalogue
Pretoria, Department of Agriculture and Water Supply. Entomology Mem. Dep. Agric. Wat. Supply Repub. S. Afr., 72 98 p. (1988)
Williams, J. R. ; Williams, D. J. |
| | Excretory behaviour in soft scales (Hemiptera: Coccidae)
Bull. ent. Res. 70: 253-257 (1980)
Williams, J. R. ; Williams, D. J. |
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