كتب ذات صلة

A tentative classification of the palearctic unionids.

Observations on the genus Unio together with descriptions of new genera and species ...

Check list of North American Naiades

Catalogue des espèces françaises appartenant aux genres Pseudanodonta et Anodonta connues jusqu''à ce jour

• Science on stage 1 & 2 : demonstrations & teaching ideas
  
• Wind waves and swell : principles in forecasting
  
• What the N.P. and the government have done for the marine interests of Canada.