1. abu maman, i. k., 1960. Natural control in cabbage root fly populations and influence of chemicals. Meded. LandbHoogesch. Wageningen
60 (1), 1–57.
2. aguilar, j. d’, benard, r. and bessard, a., 1957. Une méthode de lavage pour l’extraction des arthropodes terricoles. Ann. Epiphyt. C
8, 91–9.
3. anderson, j. m. and healey, i. n., 1970. Improvements in the gelatine-embedding technique for woodlands soil and litter samples. Pedobiologia
8, 108–20.
4. aucamp, j. l., 1967. Efficiency of the grease film extraction technique in soil micro-arthropod survey. In Graff, O. and Satchell, J. E. (eds.), Progress in Soil Biology, pp. 515–24. North-Holland, Amsterdam.
5. balogh, j., 1958. Lebensgemeinschaften der Landtiere. Budapest, 560 pp.