organized by the Fraunhofer Institut für Physikalische Messtechnik (Freiburg) under the auspices of the German Federal Minister of Research and Development [and] the Commission of the European Communities ; edited by R. Grisar ... [et al.]Kluwer Academic Publishersc1992
organized by the Fraunhofer Institut für Physikalische Messtechnik (Freiburg) under the auspices of the Commission on the European Communities ; edited by R. Grisar ...[et al.]Kluwer Academicc1989
organized by the Fraunhofer Institut für Physikalische Messtechnik (Freiburg) under the auspices of the Bundesministerium für Forschung und Technologie and the Commission on the European Communities ; edited by R. Grisar ... [et al.]D. Reidelc1987