and biases". Science. 185 (4157). New York: Cambridge University Press: 1124–1131.
Bibcode:1974Sci...185.1124T (https://ui.adsabs.harvard.edu/abs/1974Sci...185.1124T).
doi:10.1126/science.185.4157.1124 (https://doi.org/10.1126%2Fscience.185.4157.1124).
ISBN 978-0-5212-8414-1. PMID 17835457 (https://pubmed.ncbi.nlm.nih.gov/17835457).
S2CID 143452957 (https://api.semanticscholar.org/CorpusID:143452957).