TY  - BOOK
AU  - Guo, Boyun
AU  - Liu,  Gefei 
TI  - Applied Drilling Circulation Systems: Hydraulics, Calculations, and Models
SN  - 9780123819574
U1  - 622.3381 
PY  - 2011///
CY  - New York
PB  - Elsevier
ER  -