Regal, W., & Nanut, M. (2007). Vienna A Doctors Guide: 15 walking tours through Viennas medical history. Springer Vienna. https://doi.org/10.1007/978-3-211-48952-9

Regal, Wolfgang, and Michael Nanut. Vienna A Doctors Guide: 15 Walking Tours Through Viennas Medical History. Vienna: Springer Vienna, 2007. https://doi.org/10.1007/978-3-211-48952-9.

Regal, Wolfgang, and Michael Nanut. Vienna A Doctors Guide: 15 Walking Tours Through Viennas Medical History. Springer Vienna, 2007. https://doi.org/10.1007/978-3-211-48952-9.