Forced copulation in captive mallards (Anas platyrhynchos): II. temporal factors. Animal Behaviour 30:695-699.

Title	Forced copulation in captive mallards (Anas platyrhynchos): II. temporal factors. Animal Behaviour 30:695-699.
Authors:	Cheng, K. M., J. T. Burns and F. McKinney.
Publication Type	Journal Article
Year of Publication:	1982
Accession Number:	LTER6827