1. 2018-04-24 [ros-users] [Discourse.ros.org] [General] Data qualit ros-users Martin_Günther_vi 2. 2018-04-18 [ros-users] [Discourse.ros.org] [General] Data qualit ros-users Shingo Kitagawa vi 3. 2018-04-17 [ros-users] [Discourse.ros.org] [General] Data qualit ros-users Mizux via ros-user 4. 2018-04-16 [ros-users] [Discourse.ros.org] [General] Data qualit ros-users Martin_Günther_vi