Tissue culture as a plant production system for horticultural cropsRichard H. Zimmerman, Robert J. Griesbach, Freddi A. Hammerschlag, R. H. Lawson · First published 2012Open the Tome
Acclimation of nitrifiers for activated sludge treatmentRobert Allan Zimmerman, Robert A. Zimmerman, Andrew T. Bradshaw, Don Richard · First published 2004Open the Tome
Acclimation of Nitrifiers for Activated Sludge Treatment : A Bench Scale Evaluation : Werf ReportAndrew T. Bradshaw, Don Richard, Robert A. Zimmerman · First published 2004Open the Tome
Gulf of Mexico hypoxiaNancy N. Rabalais, John A. Downing, James L. Baker, Robert J. Diaz, Tony Prato, Roger Zimmerman · First published 1999Open the Tome
ChaperoninsRobert L. Ellis, Dennis E. Buetow, Ian T. Cameron, G. M. Padilla, A. M. Zimmerman · First published 1996Open the Tome