The present Position concerning the biological effects of exposure to fume in welders

von Newhouse, M. L.
Veröffentlicht 1981

Communicating Light Pollution Awareness with Citizen-Science

von Sparks, R. T.
Veröffentlicht in ASP 2018: Advancing Astronomy for All (Veranstaltung : 2018 : Rohnert Park, Calif.) Advancing astronomy for all: ASP 2018 (2019)