Farkas Gyula; Hunya Péter; Herendi István; Szekeres Erzsébet: Studies on the menarcheal age of the girls of county Csongrád (Southern Hungary). In: Acta biologica, (29) 1-4. pp. 169-178. (1983)
Farkas Gyula; Fazekas András; Szekeres Erzsébet: The fluoride content of drinking water and the menarcheal age. In: Acta biologica, (29) 1-4. pp. 159-167. (1983)
Farkas Gyula; Szekeres Erzsébet: On the puberty of girls in Szeged, Hungary. In: Acta biologica, (28) 1-4. pp. 155-165. (1982)