Links
Links to Earth rotation and IERS - Geodesy and other geosciences - Astronomy - Space research - Mathematics - Physics - Books and papers - Computers and informatics - Link lists and search engines.
Earth rotation and IERS
Links to IERS components and related organizations, as well as to information on Earth rotation in general.
Geodesy and other geosciences
Links to services, institutions, publications, and other themes related to geodesy and other geosciences like mapping, geophysics, geography and meteorology.
Astronomy
Links to general information, data centres, publications and bibliographies, societies, institutions, planetariums, and other link lists in the field of astronomy.
Space research
Links to space agencies and institutes, aerospace organizations, and other link lists.
Mathematics
Links to TeX / LaTeX, numerical recipes information, SLATEC, nonlinear dynamics and chaos theory, societies, and other link lists related to mathematics.
Physics
Links to general information, general relativity, societies, and other link lists related to physics.
Books and papers
Links to online bookshops, publishers, libraries, information retrieval, journals and abstracts, electronic encyclopedies, publishing, electronic publishing, and other link lists.
Computers and informatics
Links to general information on the Internet, the World Wide Web, hardware & software, and informatics.
Link list and search engines
Links to metalists, systematic lists, and search engines.