By van Niekerk J. N.   Wybenga F. T.   in Applied Spectroscopy

ISSN:0003-7028|14|2|56-57

Society for Applied Spectroscopy‎(1960)‎

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By Van Niekerk J. N.   Strelow F. W. E.   Wybenga F. T.   in Applied Spectroscopy

ISSN:0003-7028|15|5|121-124

Society for Applied Spectroscopy‎(1961)‎

Access to resources Favorite 2.4170113