9TH INTERNATIONAL SYMPOSIUM ON THE ORDOVICIAN SYSTEM,
7TH INTERNATIONAL GRAPTOLITE, AND FIELD MEETING OF THE SUBCOMMISSION
ON SILURIAN STRATIGRAPHY,
San Juan City, Argentina,
ISOS: Guillermo L. Albanesi,
E-mail:galbanesi@arnet.com.ar
or Matilde S.Beresi.
E-mail:mberesi@labocricyt.edu.ar
IGC-SSS field meeting: Gladys Ortega,
E-mail: gcortega@arnet.com.ar
or Guillermo F.Acenolaza
E-mail:acecha@unt.edu.ar,
18-21 August 2003.
