, Juhani Lokki, Indices of Community Structure in Bird Censuses Based on a Single Visit: Effect of Variation in Species Efficiency, Ornis Scandinavica (Scandinavian Journal of Ornithology), Vol. 9, No. 1 (1978), pp. 87-93
No takes yet. Share an insight, caveat, or question.
Järvinen et al. (1978) studied this question.