1. American Association for the Advancement of Science (AAAS) Commission on Science Education. (1971). The AAAS project: Science-a process approach. In E. Victor & M. S. Lerner (Eds.), Readings in science education for the elementary school (2nd ed., pp. 451–462). The Macmillan Company.
2. Ault, C. R., Jr. (1998). Criteria of excellence for geological inquiry: The necessity of ambiguity. Journal of Research in Science Teaching, 35, 189–212.
3. Ault, C. R., Jr. (2015). Challenging science standards. Rowman & Littlefield.
4. Ault, C. R., Jr., & Dodick, J. (2010). Tracking the footprints puzzle: The problematic persistence of science-as-process in teaching the nature and culture of science. Science Education, 94, 1092–1122.
5. Baker, V. R. (1996a). Hypotheses and geomorphological reasoning. In B. L. Rhoads & C. E. Thorn (Eds.), The scientific nature of geomorphology (pp. 57–85). Wiley.