Beard, Leo R. <br/><br/>
International symposium on mathematical modelling technique-s in water resources systems: alternative approaches to wat-er resource system simulation / by Leo R. Beard, Arden O, -Weiss and T. Al Austin. 

 - Davis, California : Army Corps of Engineers, Hydrologic Engineering Center 
 - 16 p. 
 - Technical paper; No. 32 / Hydrologic Engineering Center. .