id: 70408334 dt: a an: 70408334 au: El-Fakdi, Andres; Carreras, Marc; Galceran, Enric ti: Two steps natural actor critic learning for underwater cable tracking so: ICRA, 2267-2272 (2010). py: 2010 pu: la: EN cc: ut: ci: li: doi:10.1109/ROBOT.2010.5509751