1. R. M. Adams, and P. S. Costello (1986 ). Correlations do not justify the use of one-zero sampling. Paper presented at the International Primatological Society, Gottingen, West Germany.
2. R. M. Adams, and R. P. Markley (1978 ). Assessment of the accuracy of one-zero sampling techniques by computer simulation. Paper presented at the annual meeting of the Animal Behavior Society, Seattle, WA.
3. Observational Study of Behavior: Sampling Methods
4. Estimating rates of behavior from Hansen frequencies