ScienceJohn Michels (Journalist) 1948 |
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Стр. 125
... nature of the correlation can be expressed conveniently in two ways - the fre- quency of occurrence in various classes of lakes can be tabulated to show the range and apparent optimum ( Table 1 ) , or the median concentrations of ...
... nature of the correlation can be expressed conveniently in two ways - the fre- quency of occurrence in various classes of lakes can be tabulated to show the range and apparent optimum ( Table 1 ) , or the median concentrations of ...
Стр. 671
... Nature Association , American Orni- thologists ' Union , Boone and Crockett Club , Conservation Foundation , Izaak Walton League of America , National Frank Kille , dean of Carleton Col- Association of Audubon Societies , Na- lege ...
... Nature Association , American Orni- thologists ' Union , Boone and Crockett Club , Conservation Foundation , Izaak Walton League of America , National Frank Kille , dean of Carleton Col- Association of Audubon Societies , Na- lege ...
Стр. 672
... nature protection . The attendance at the meeting not only manifested a wide interest in the sub- ject but was also a tribute to the preparations for the meeting made by the Swiss League for the Protection of Nature , over a long period ...
... nature protection . The attendance at the meeting not only manifested a wide interest in the sub- ject but was also a tribute to the preparations for the meeting made by the Swiss League for the Protection of Nature , over a long period ...
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Science | 1 |
Comments and Communications | 10 |
Differential Effects of 24D on Aerobic | 16 |
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