B. R. I. T. O.  A. DACUNHA, ?Studies on Cytology and Differentiation in Sciaridae IV. Nuclear and Cytoplasmatic Differentiation in Salivary Glands of Bradysia Elegans (Diptera, Sciaridae)?, Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics, vol. 26, no. 1, pp. 41-47, 1973.