@article{412216, note = {Includes bibliographical references.}, url = {http://digitallibrary.un.org/record/412216}, title = {Operational manual for seismological monitoring and the international exchange of seismological data : draft}, publisher = {UN,}, recid = {412216}, pages = {41 p. :}, address = {Vienna :. 2000-02-16}, year = {2000}, month = {Feb}, }