References
- Anderson, C. , Bratcher, T. , and Kutran, K. (1978). Bayesian estimation of population density andvisibility. (To appear in Biometrics.)
- Cook , R.C. and Martin , F.B. 1974 . A model for quadrat sampling with visibility bias . J. Amer. Statist. Assoc , 69 : 345 – 349 .