Media type: E-Article Title: Seasonal changes in morphology and size of Daphnia hyalina Leydig in Lago Maggiore Contributor: Manca, Marina; Tognota, Anna Galli imprint: Springer Science and Business Media LLC, 1993 Published in: Hydrobiologia Language: English DOI: 10.1007/bf00007286 ISSN: 0018-8158; 1573-5117 Keywords: Aquatic Science Origination: Footnote: