'ch.qos.logback:logback:0.3'
<dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback</artifactId> <version>0.3</version> </dependency>
<dependency org="ch.qos.logback" name="logback" rev="0.3"/>
"ch.qos.logback", "logback", "0.3"