On the efficiency of the line transect method: a study based on nest searching
Viittaaminen
Helle, P., & Pulliainen, E. (1983). On the efficiency of the line transect method: a study based on nest searching. Ornis Fennica, 60(2), 35–41. Noudettu osoitteesta https://ornisfennica.journal.fi/article/view/133121