Home News Awards Stephan Lewandowsky was Granted the Humboldt Research Award Publications of Nelly Schmücking All genres Thesis - Diploma (1) Thesis - Diploma (1) 2010 Thesis - Diploma Schmücking, N. (2010). Spatial discounting of food and social partners in guppies (Poecilia reticulata) [Diploma Thesis, Humboldt-Universität zu Berlin]. MPG.PuRe