Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 137
... known as they are , possess considerable importance because of their association with marine invertebrates of known stratigraphic range . It is unfortunate that the excavation of the glauconitic sands has been discontinued almost ...
... known as they are , possess considerable importance because of their association with marine invertebrates of known stratigraphic range . It is unfortunate that the excavation of the glauconitic sands has been discontinued almost ...
Сторінка 180
... known as La Micoque , near Les Eyzies ( Dordogne ) . The site has been known for at least 35 years , beginning with the excavations of Chauvet and Rivière . Many prehistorians have since done at least some work on this spot . All were ...
... known as La Micoque , near Les Eyzies ( Dordogne ) . The site has been known for at least 35 years , beginning with the excavations of Chauvet and Rivière . Many prehistorians have since done at least some work on this spot . All were ...
Сторінка 296
... known colloid . For example , the living substance is extraordinarily sensitive . Reagents or treatments which have little or no effect on inanimate colloids often cause living protoplasm to undergo a sudden and pronounced increase in ...
... known colloid . For example , the living substance is extraordinarily sensitive . Reagents or treatments which have little or no effect on inanimate colloids often cause living protoplasm to undergo a sudden and pronounced increase in ...
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