40Ar-39Ar stepwise degassing experiments on some submarine rocks

40Ar-39Ar studies of whole rock nakhlites: Evidence for the timing of formation and aqueous alteration on Mars

40Ar/(39Ar) and 18O/(16O) studies of the Chegem ash-flow caldera and the Eldjurta Granite: Cooling of two late Pliocene igneous bodies in the Greater Caucasus Mountains, Russia

40Ar/39Ar age of plagioclase from Acapulco meteorite and the problem of systematic errors in cosmochronology

40Ar/39Ar ages for the alkaline volcanism and the basement of Gorringe Bank, North Atlantic ocean

40Ar/39Ar dating and geochemistry of tholeiitic magmatism related to the early opening of the Central Atlantic rift

40Ar/39Ar dating of alkaline and tholeiitic magmatism of Saudi Arabia related to the early Red Sea Rifting

40Ar/39Ar dating of the Araguainha impact structure, Mato Grosso, Brazil

433 Eros lineaments: Global mapping and analysis

433 Eros: Problems with the meteorite magnetism record in attempting an asteroid match

44Ti in a Small SiC Grain from Murchison: Evidence for Deep Mixing of Supernova Ejecta

44Ti lines in the INTEGRAL core programme data

4C 23.56 field deep imaging (Knopp+ 1997)

4D Imaging of the High Latitude Ionosphere: Observations and Scientific Results

4U 1626-67 and the character of highly compact binary X-ray sources

4U1755-33 in Quiescence