Search for: [References = "9. Goldman Ch. R., Gerletti M., Javornicky P., Melchiorri\-Sanfolini U., Amezaga E. de 1968 \- Primary productivity, bacteria, phyto\- and zooplankton in Lake Maggiore\: correlations and relationships with ecological factors \- Memorie Ist. ital. Idrobiol. 23\: 49\-127."]

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