DescriptionSurvey of 193 university textbooks, by decade, 1972--2018.png
English: A survey of about 200 university textbooks of how group 3 of the periodic table prepared by UCLA student Jonathan Wong in association with Dr. Eric Scerri. The survey is divided into searches for each decade starting with the 1970s. The results were published by the IUPAC project on "The constitution of group 3 of the periodic table": https://iupac.org/project/2015-039-2-200/
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