North Sea quality status report 1993 = Bilan de santé de la mer du nord 1993 /
International Council for the Exploration of the Sea.
North Sea Task Force.
Fredensborg, [Denmark] : Olsen & Olsen,
1993.
"The forward, preface, and chapter 7 are also presented in French."
Includes bibliographical references.
Water quality management
Marine resource conservation