<dependency>
  <groupId>com.propensive</groupId>
  <artifactId>mercator_2.12</artifactId>
  <version>0.2.1</version>
</dependency>

implementation 'com.propensive:mercator_2.12:0.2.1'

implementation("com.propensive:mercator_2.12:0.2.1")

libraryDependencies += "com.propensive" % "mercator_2.12" % "0.2.1"

@Grapes(
  @Grab(group='com.propensive', module='mercator_2.12', version='0.2.1')
)

<dependency org="com.propensive" name="mercator_2.12" rev="0.2.1" />

[com.propensive/mercator_2.12 "0.2.1"]

'com.propensive:mercator_2.12:jar:0.2.1'