1. Controlling Plants Pestsin Southern Africa;Andriés,1932
2. The citrus psylla, Trioza erytreae (Del Guercio), and its parasites in South Africa;Annecke;S. Afr. J. gric. Sci.,1963
3. The citrus psylla, Trioza erytreae (Del Guercio), and its parasites in South Africa;Annecke,1963
4. Insects and Mites of Cultivated Plants in South Africa;Annecke,1982
5. The integrated control of citrus pestsin South Africa and its possible applications in the Mascarene Islands;Aubert;Fruits Outre Mer,1975