Field Test of a Passive Infrared Camera for Measuring Trail-Based Physical Activity

por Abildso, Christiaan G., Haas, Vaike, Daily, Shay M., Bias, Thomas K.
Publicado 2021

Systematic Observation of Physical Distancing Behaviors of Trail Users During the COVID-19 Pandemic

por Bias, Thomas, Daily, Shay M., Abildso, Christiaan G., Venrick, Heather, Shay, Elizabeth, Moyers, Samantha I., Hege, Adam, Haas, Vaike, Dyer, Angela, Broce, Robert, Christiana, Richard W.
Publicado 2021