共 18 条
- [1] Forty-Ninth Rochester Mineralogical Symposium: Contributed Papers in Specimen Mineralogy—Part 3 Rocks and Minerals, 2023, 98 (02): : 182 - 186
- [2] Forty-Eighth Rochester Mineralogical Symposium: Contributed Papers in Specimen Mineralogy—Part 2 Rocks and Minerals, 2022, 97 (02): : 176 - 177
- [3] Forty-Sixth Rochester Mineralogical Symposium: Contributed Papers in Specimen Mineralogy—Part 2 Rocks and Minerals, 2020, 95 (03): : 270 - 275
- [4] Forty-Seventh Rochester Mineralogical Symposium: Contributed Papers in Specimen Mineralogy—Part 3 Rocks and Minerals, 2021, 96 (03): : 251 - 254
- [8] LEARNING AND INSTRUCTION, FORTY-NINTH YEARBOOK, PART I, National Society for the Study of Education OCCUPATIONS-THE VOCATIONAL GUIDANCE JOURNAL, 1952, 30 (07): : 556 - 559
- [9] The Forty-ninth Yearbook of the National Society for the Study of Education, pt 2, The Education of Exceptional Children JOURNAL OF SPEECH AND HEARING DISORDERS, 1951, 16 (02): : 172 - 173