HEC RAS Book Reference? 1

[tpcolson]

I'm looking for suggestions for a few good desk references for HEC-RAS, particularly, those that give good explanation of the mathmatical model, as well as accounting for uncertainty in the output. Thanks.

 

[Ryb01]

http://www.hec.usace.army.mil/software/hec-ras/hecras-document.html