'org.webjars.bower:picturefill:2.3.1'
<dependency>
<groupId>org.webjars.bower</groupId>
<artifactId>picturefill</artifactId>
<version>2.3.1</version>
</dependency>
<dependency org="org.webjars.bower" name="picturefill" rev="2.3.1"/>
"org.webjars.bower", "picturefill", "2.3.1"