Sands, Philippe <br/><br/>
Principles of international environmental law/ 
Philippe Sands and Jacqueline Peel with Adriana Fabra and Ruth MacKenzie 
 - Fourth Edition ; 
 - United Kingdom:  Cambridge University Press,   c2018. 
 - lxviii, 968 pages :  25 cm. 
<br/><br/>Includes bibliographical references and index