https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763050087633&signature=9d86ad76647c51d15d3396f8bde559d4&articleTitle=Exact+Confidence+Bounds+when+Sampling+from+Small+Finite+Universes&articleAuthor=Tommy+Wright&publicationTitle=Exact+Confidence+Bounds+when+Sampling+from+Small+Finite+Universes&language=&publicationType=1&publishYear=1991&isn=9780387975153&publisher=Springer+New+York