Press Release (1963-02-21) Dr. Robert L. Heller launches national program to upgrade scientific teaching materials in secondary schools

University of Minnesota, Duluth. News Service2018-03-082018-03-081963-02-21https://hdl.handle.net/11299/194451enNews ServicePress releasesUniversity of Minnesota DuluthPress Release (1963-02-21) Dr. Robert L. Heller launches national program to upgrade scientific teaching materials in secondary schoolsNewsletter