[Virological studies of surface waters and their results].
D046508:Culture Techniques; D004770:Enterovirus / Q000302:isolation & purification*; D029822:Enterovirus B, Human / Q000302:isolation & purification*; D005374:Filtration; D005860:Germany, West; D017955:Poliovirus / Q000302:isolation & purification*; D012621:Seasons; D014776:Virus Cultivation; D014871:Water Microbiology
Virologische Untersuchungen von Oberflächenwässern und ihre Ergebnisse.