P. Ehlers

Hydrographic Services at the Crossroads

P. Ehlers, 2002 .

Blue growth and ocean governance—how to balance the use and the protection of the seas

P. Ehlers, 2016 .

Marine Issues: From a Scientific, Political and Legal Perspective

R. Wolfrum, P. Ehlers, Cristina Hoss, 2002, European Energy and Environmental Law Review.

The Baltic Sea Area: Convention on the Protection of the Marine Environment of the Baltic Sea Area (Helsinki Convention) of 1974 and the Revised Convention of 1992

P. Ehlers, 1994 .

International maritime organisations and their contribution towards a sustainable marine development

Rainer Lagoni, P. Ehlers, Peter Ehlers, 2006 .

The Helsinki Convention, 1992 Improving the Baltic Sea Environment

P. Ehlers, 1993 .