Dimethylsulphide : oceans, atmosphere, and climate : proceedings of the international symposium held in Belgirate, Italy, 13-15 October 1992 / organized by the Commission of the European Communities, Directorate-General for Science, Research, and Development, DG XII/D, Environment Programme, Joint Research Centre, Environment Institute ; cosponsored by the Danish Centre for Atmospheric Research ; edited by Giambattista Restelli and Giovanni Angeletti