Science: v.1-v.219Moses King, 1959 |
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Стр. 969
... material most extensively used by anthropologists for dating . It is assumed that carbon produced by pyrolysis of ancient mate- rials could not subsequently be contami- nated with contemporary carbon . Char- coal , however , is not ...
... material most extensively used by anthropologists for dating . It is assumed that carbon produced by pyrolysis of ancient mate- rials could not subsequently be contami- nated with contemporary carbon . Char- coal , however , is not ...
Стр. 1421
... material . Volume 2 , entitled simply Survey of Raw Material Resources , actually goes far beyond this subject and thus differs considerably from the comparable vol- ume published after the first conference ( No. 6 , Geology of Uranium ...
... material . Volume 2 , entitled simply Survey of Raw Material Resources , actually goes far beyond this subject and thus differs considerably from the comparable vol- ume published after the first conference ( No. 6 , Geology of Uranium ...
Стр. 1507
... material covers : a new discussion of sex- ual reproduction as it is believed to occur in bacteria ; material on the Class Schizomycetes almost entirely re- written to conform with the 7th Edition of Bergey's Man- ual of Determinative ...
... material covers : a new discussion of sex- ual reproduction as it is believed to occur in bacteria ; material on the Class Schizomycetes almost entirely re- written to conform with the 7th Edition of Bergey's Man- ual of Determinative ...
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E G Baker | 871 |
News of Science Greater Role for United Nations Specialized Agencies Seen in Meeting Problem | 882 |
Reports Propagation of Poliovirus Measles and Vaccinia in Guinea Pig Spleen Cell | 894 |
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