TY - RPRT TI - Sequential estimation in line transect surveys. AU - Song Xi Chen AU - Paul S F Yip AU - Yong Zhou PY - 2002 DO - 10.1111/j.0006-341x.2002.00263.x UR - https://pubmed.ncbi.nlm.nih.gov/12071398/ ID - 12071398 ER -