TY - BOOK ED - ERS-1 Symposium TI - Space at the service of our environment: proceedings of the second ERS-1 Symposium, 11-14 October 1993, Hamburg, Germany T2 - ESA SP SN - 9290922869 PY - 1994/// CY - Paris PB - European Space Agency KW - Earth resources technology satellites KW - Congresses KW - Artificial satellites in remote sensing KW - Environmental policy KW - Space utilization ER -