- Libro electrónicoOperator’S Guide to Centrifugal PumpsRobert X. Perez
- Libro electrónicoHow to Select the Right Centrifugal PumpRobert X. Perez
- Libro electrónicoOperator’S Guide to Centrifugal Pumps, Volume 2Robert X. Perez
- Libro electrónicoOperator's Guide to General Purpose Steam TurbinesRobert X. Perez
- Libro electrónicoTroubleshooting Rotating MachineryRobert X. Perez
- Libro electrónicoOperator's Guide to Process CompressorsRobert X. Perez