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Taxonomy and ecology of algae in fishponds and fishpens of Laguna and some physiological studies of navicula accomoda hust. [microform]
Gepubliceerd in 1977Visual Material -
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A preliminary survey of Cladophra spp. as a potential poultry feed [microform]
Gepubliceerd in 1977Visual Material -
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In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform].
Gepubliceerd in 1977Visual Material