Csépai Ferenc: Data on the estimation of the hygienic bacteriological condition of the Maros (Mureş) river. In: The Maros/Mureş river valley : a study of the geography, hydrobiology and ecology of the river and its environment 1. pp. 143-148. (1995)
Csépai Ferenc: Comprehensive evaluation of the results of the Daphnia test carried out at the Tisza-section and major district waters in Szolnok county, 1977-87. In: Tiscia 24. pp. 35-41. (1989)
Csépai Ferenc; Waijandt János: Heavy metal content in the branchiae of some Tisza-river fish. In: Tiscia 23. pp. 97-105. (1988)
Csépai Ferenc: Summarizing evaluation of the results of the Daphnia test carried out at the Tisza-section and major district waters at Szolnok county : 1977-1983. In: Tiscia 19. pp. 17-20. (1984)
Csépai Ferenc: Hygienic investigation of the Tisza-water, and the drinking-water made of that, with the modified Daphnia test. In: Tiscia 15. pp. 19-25. (1980)