Nicole Schmiade

The German Ageing Survey (DEAS) – A Longitudinal and Time-Series Study of People in the Second Half of Life

H. Engstler, Nicole Schmiade, 2013 .

Trends in Civil Society: The German Survey on Volunteering 1999, 2004, 2009 and 2014 (Deutscher Freiwilligensurvey – FWS)

J. Simonson, C. Vogel, Nicole Schmiade, 2014 .