Niederwieser, S. (2011). Heavy traffic: A candid look at real men and what they do together! / with a personal essay by Fred Bisonnes. [Editor-in-chief: Stephan Niederwieser]. Gmünder.

Niederwieser, Stephan. Heavy Traffic: A Candid Look at Real Men and What They Do Together! / with a Personal Essay by Fred Bisonnes. [Editor-in-chief: Stephan Niederwieser]. Berlin: Gmünder, 2011.

Niederwieser, Stephan. Heavy Traffic: A Candid Look at Real Men and What They Do Together! / with a Personal Essay by Fred Bisonnes. [Editor-in-chief: Stephan Niederwieser]. Gmünder, 2011.