Labyrinth and piano key weirs :  PKW 2011 : proceedings of the International Conference on Labyrinth and Piano Key Weirs (PKW 2011), Liège, Belgium,9-11 feberurary, 2011 / 
editors by Sébastien Erpicum ... [et al.] 
 - Boca Raton, FL :  CRC Press,  c2011 
 - xv, 297 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780415682824 0415682827 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dams--Design and construction--Congresses<br/>Weirs--Congresses