TY - RPRT TI - Ranked set sampling: cost and optimal set size. AU - Ramzi W Nahhas AU - Douglas A Wolfe AU - Haiying Chen PY - 2002 DO - 10.1111/j.0006-341x.2002.00964.x UR - https://pubmed.ncbi.nlm.nih.gov/12495151/ ID - 12495151 ER -