1. Pumping, Concrete and Concrete Pumps – a Concrete Placing Manual;Schwing,1983
2. Pumping Concrete, Techniques and Applications;Crepas,1997
3. Placing Concrete by Pumping Methods;ACI-Committee 304,1998
4. Standard Specification for Concrete Aggregates;ASTM C 33,2003
5. The resistance of concrete pumped through pipelines;Ede;Mag. Conc. Res.,1957