Removal of indigenous coliphages and enteric viruses during riverbank filtration from highly polluted river water in Delhi (India)
C. Sprenger
,
G. Lorenzen
,
A. Grunert
,
M. Ronghang
,
H. Dizer
,
H. C. Selinka
,
R. Girones
,
J. M. Lopez-Pila
,
A. K. Mittal
,
R. Szewzyk