Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68American Philosophical Society, 1929 |
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... called " clitters " or " clatters " ( Welsh clechr ) . Lava flows which in Mexico form the so - called pedregal are recalled , but they are very different from talus , although volcanic scoria at times may have a somewhat similar ...
... called " clitters " or " clatters " ( Welsh clechr ) . Lava flows which in Mexico form the so - called pedregal are recalled , but they are very different from talus , although volcanic scoria at times may have a somewhat similar ...
Сторінка 60
... called gravitational attraction , which is only another way of looking at it . If this attraction were absent , and the moon were held in her orbit by a weightless steel cable , the cable would need to be about 500 miles in diameter to ...
... called gravitational attraction , which is only another way of looking at it . If this attraction were absent , and the moon were held in her orbit by a weightless steel cable , the cable would need to be about 500 miles in diameter to ...
Сторінка 102
... called Neandertalian and why the race is not called Homo mousteriensis . So much is being said about Neandertal man that it is time those who use the term should come to an agreement as to how it should be spelled as well as pronounced ...
... called Neandertalian and why the race is not called Homo mousteriensis . So much is being said about Neandertal man that it is time those who use the term should come to an agreement as to how it should be spelled as well as pronounced ...
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Mans Future in the Light of His Past and Present By ALEŠ | 1 |
The Vegetation of the Screes or Talus Slopes of Western North | 13 |
Saxifraga Tolmiei Torr Gray a screecoverer | 20 |
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