12th General Catalogue of MK Classifications (Buscombe 1997)

12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD

12th International Conference on General Relativity and Gravitation

12th International meeting on Organic Geochemistry . The 12th International Meeting on Organic Geochemistry will be held at the Nuclear Research Centre Julich, 16-20 September 1985

12th Young Scientists' Conference on Astronomy and Space Physics

12victoria

13 C / 12 C Fractionation of methane during oxidation in a temperate forested soil

13 C food web analysis of a Texas sand dune community

13 C NMR spectroscopy of the insoluble carbon of carbonaceous chondrites

13 C Nuclear magnetic resonance studies of kerogen from Cretaceous black shales thermally altered by basaltic intrusions and laboratory simulations

13 C response surface resolves humidity and temperature signals in trees

13 Egeria CCD Spectrum

13 New Saturnian Moons

13-color photometry of 1380 bright stars (Johnson+ 1975)

13-day oscillation in the cosmic-ray intensity

13-M Diameter Space Simulation Test Facility

13-meter tracking antenna for sounding rocket and satellite data reception

130 Elektra CCD Spectrum

130. list of minima of eclipsing binaries.

1300 Marcelle CCD Spectrum