Berkhoudt, H., Van Der Reijden, D., & Heijmans, M. (1987). An automatic pellet dispenser for precise control of feeding topography in granivorous birds.
Dyfyniad Arddull ChicagoBerkhoudt, H., D. Van Der Reijden, and M. Heijmans. An Automatic Pellet Dispenser for Precise Control of Feeding Topography in Granivorous Birds. 1987.
Dyfyniad MLABerkhoudt, H., D. Van Der Reijden, and M. Heijmans. An Automatic Pellet Dispenser for Precise Control of Feeding Topography in Granivorous Birds. 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.