Reliability of the line survey method in bird census, with reference to Reed bunting and Sedge warbler
How to Cite
Haukioja, E. (1968). Reliability of the line survey method in bird census, with reference to Reed bunting and Sedge warbler. Ornis Fennica, 45(4), 105–113. Retrieved from https://ornisfennica.journal.fi/article/view/132748