Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 49
... discussion . The three scientists referred to above , who were all geolo- gists at the start , may be regarded as the founders of our modern conceptions concerning the relation between climate and soil formation , respectively soil ...
... discussion . The three scientists referred to above , who were all geolo- gists at the start , may be regarded as the founders of our modern conceptions concerning the relation between climate and soil formation , respectively soil ...
Сторінка 278
... discussion which takes place - discussion which is not limited to the seminar meeting but which is continued informally in the dormitories and even in the vacations . At the end of two years of this type of work the stu- dents are ...
... discussion which takes place - discussion which is not limited to the seminar meeting but which is continued informally in the dormitories and even in the vacations . At the end of two years of this type of work the stu- dents are ...
Сторінка 409
... discussion , especially when the effect of random veloc- ities on the mean velocities of small groups of stars is con- sidered . Fortunately at Victoria , J. A. Pearce and the writer had . been observing since 1924 the radial velocities ...
... discussion , especially when the effect of random veloc- ities on the mean velocities of small groups of stars is con- sidered . Fortunately at Victoria , J. A. Pearce and the writer had . been observing since 1924 the radial velocities ...
Зміст
facing 131 | 4 |
Ten Unsolved Mysteries of the Stellar Universe By HARLOU | 13 |
THE AMERICAN PHILOSOPHICAL SOCIETY HELD AT PHILADELPHIA | 17 |
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