Ihrig, Judson L. “A New Focus for PhD Training in Chemistry”. Journal of Chemical Education, vol. 48, no. 1, 1971, p. 69, https://doi.org/10.1021/ed048p69.
Ihrig, J. L. (1971). A New focus for PhD Training in Chemistry. Journal of Chemical Education, 48(1), 69. https://doi.org/10.1021/ed048p69
Ihrig, Judson L. “A New Focus for PhD Training in Chemistry”. Journal of Chemical Education 48, no. 1 (1971): 69. https://doi.org/10.1021/ed048p69.
Ihrig JL. A New focus for PhD Training in Chemistry. Journal of Chemical Education. 1971;48(1):69.