Gulf of Mexico hypoxiaNancy N. Rabalais, John A. Downing, James L. Baker, Robert J. Diaz, Tony Prato, Roger Zimmerman · First published 1999Open the Tome
Characteristics and causes of Texas marine strandingsRoger J. Zimmerman · First published 1998Open the Tome
The use of Juncus and Spartina marshes by fisheries species in Lavaca Bay, Texas, with reference to effects of floodsRoger J. Zimmerman · First published 1990Open the Tome
Ecology and behaviour of North American black bearsRoger A. Powell, R.A. Powell, J.W. Zimmerman, D. Erran Seaman, C. Powell · First published 1899Open the Tome
