APA

Thraenhart O., Kuwert E. & Worringen W. (19770929). [Experiments on poliomyelitis surveillance in an urban population of the Ruhr Valley (Essen) by means of virological investigations of the sewage water (author's transl)]. : Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, praventive Medizin.

Chicago

Thraenhart O, Kuwert E and Worringen W. 19770929. [Experiments on poliomyelitis surveillance in an urban population of the Ruhr Valley (Essen) by means of virological investigations of the sewage water (author's transl)]. : Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, praventive Medizin.

Harvard

Thraenhart O., Kuwert E. and Worringen W. (19770929). [Experiments on poliomyelitis surveillance in an urban population of the Ruhr Valley (Essen) by means of virological investigations of the sewage water (author's transl)]. : Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, praventive Medizin.

MLA

Thraenhart O, Kuwert E and Worringen W. [Experiments on poliomyelitis surveillance in an urban population of the Ruhr Valley (Essen) by means of virological investigations of the sewage water (author's transl)]. : Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, praventive Medizin. 19770929.