Maria de Fátima Sousa e Silva <br/><br/>
Rãs 

 -  Coimbra University Press  2014 
 - 1 electronic resource (182 p.) 
<br/><br/> Open Access 
<br/><br/><br/>Creative Commons 
<br/><br/><br/>Portuguese 
<br/><br/><label>ISBN: </label>/doi.org/10.14195/978-989-26-0788-7 9789892607870 
<br/><br/><label>Standard No.: </label>https://doi.org/10.14195/978-989-26-0788-7  doi