1. National Marine Debris Monitoring Program: citizen science observations from 1997–2007
- Author(s):
- Ribic, Christine A.; Sheavly, Seba B.; Rugg, David J.
2. Base data for three focal landscapes in Wisconsin used for grassland bird conservation
- Author(s):
- Ribic, Christine A.; Guttery, Michael R.; Sample, David W.; Schneider, Daniel; Paulios, Andy; Dadisman, John; Horton, Josephine A.; Trosen, Christopher