Logback-classic.jar

<dependency>
    <groupId>ch.qos.logback</groupId>
    <artifactId>logback-classic.jar</artifactId>
    <version>2.5.1</version>
</dependency>

compile group: 'ch.qos.logback', name: 'logback-classic.jar', version: '2.5.1'

compile 'ch.qos.logback:logback-classic.jar:2.5.1'

libraryDependencies += "ch.qos.logback" % "logback-classic.jar" % "2.5.1"

<dependency org="ch.qos.logback" name="logback-classic.jar" rev="2.5.1"/>

@Grapes(
            @Grab(group='ch.qos.logback', module='logback-classic.jar', version='2.5.1')
        )

[ch.qos.logback/logback-classic.jar "2.5.1"]

'ch.qos.logback:logback-classic.jar:jar:2.5.1'