Experiments on the control of eelworm (Heterodera marioni) by means of oligodynamic action of silver ions microfiche

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Hovy J W H 1949-001.pdf (5.66 MB)
Date
2015-08-06
Authors
Hovy, Jan Willem Herman
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Dissertation presented for the DEGREE OF PHIL0SOPHIAE DOCTOR In the University of the Wltwatersrand, Johannesburg. August 1949
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http://hdl.handle.net/10539/18197
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