@misc{indiciaec1ff04b6b9aa, title = {Inverse adaptive cluster sampling.}, author = {M C Christman and F Lan}, year = {2001}, doi = {10.1111/j.0006-341x.2001.01096.x}, url = {https://pubmed.ncbi.nlm.nih.gov/11764249/}, note = {Source identifier: 11764249} }