TY - BOOK ED - European Space Agency (ESA) TI - Proceedings of The Second ERS-1 Symposium Space at the Service of Our Environment. Hamburg, Germany 11-14 October, 1993 SN - 9290922869 PY - 1993/// CY - Hamburg PB - ESA KW - Space Environment KW - Proceedings N1 - [Second ERS-1, Volume I & II SP(-361] ER -