1. Czechoslovak bibliography on general and environmental hygiene, hygiene of children, adolescents, and food hygiene. Vol. 31/1989
Czechoslovak bibliography on general and environmental hygiene, hygiene of children, adolescents, and food hygiene. Vol. 31/1989 / ed. Institute of hygiene and epidemiology, Prague . Prague : Institute of hygiene and epidemiology, 1990. 160 s.