APA
Lehner J., Marvel T., . (2014). Lightweight risers increase rigs' water depth ratings. : .
Chicago
Lehner Jeff, Marvel Tim, . 2014. Lightweight risers increase rigs' water depth ratings. : .
Harvard
Lehner J., Marvel T., . (2014). Lightweight risers increase rigs' water depth ratings. : .
MLA
Lehner Jeff, Marvel Tim, . Lightweight risers increase rigs' water depth ratings. : . 2014.