CHABERS P. A., J. M. Hanson, J. M. Burke, and E. E. Prepas. 1990. The impact of the crayfish Orconectes virilis on aquatic macrophytes. Freshwater Biology 24(1):81-91.
CHABERS P. A., J. M. Hanson, J. M. Burke, and E. E. Prepas. 1990. The impact of the crayfish Orconectes virilis on aquatic macrophytes. Freshwater Biology 24(1):81-91.