TY - RPRT TI - Double-observer approach with camera traps: Towards an unbiased density estimation of unmarked animal populations AU - Nakashima, Y. AU - Hongo, S. AU - Mizuno, K. AU - Yajima, G. AU - Dzefck, Z. C. B. PY - 2021 DO - 10.1101/2021.04.09.439250 UR - https://www.biorxiv.org/content/10.1101/2021.04.09.439250v1 ID - 10.1101/2021.04.09.439250 ER -