@misc{indiciaed6c18e5f2b52, title = {Human estimates of randomly perturbed functional values.}, author = {W A Hillix and E L Kapfer and R L Hershman}, year = {1967}, doi = {10.1177/001872086700900307}, url = {https://pubmed.ncbi.nlm.nih.gov/6062420/}, note = {Source identifier: 6062420} }