JaCoCo is an alternative to Clover and Cobertura to measure coverage by unit tests
 | SonarQube in Action (2013) by Campbell, G. Ann |
 | SonarQube in Action (2013) by Papapetrou, Patroklos |
 | Sonar Code Quality Testing Essentials (2012) by Arapidis, Charalampos S. |