@misc{indiciaecbeea8336436, title = {Performance evaluation tests for environmental research (PETER): code substitution test.}, author = {R L Pepper and R S Kennedy and A C Bittner and S F Wiker and M M Harbeson}, year = {1985}, doi = {10.2466/pms.1985.61.3.735}, url = {https://pubmed.ncbi.nlm.nih.gov/4088763/}, note = {Source identifier: 4088763} }