40Ar/39Ar dating of Apollo 12 regolith: Implications for the age of Copernicus and the source of nonmare materials
40Ar/39Ar dating of ignimbrite from Inner Mongolia, northeastern China, indicates a post-Middle Jurassic age for the overlying Daohugou Bed
40Ar/39Ar dating of Late Permian evaporites, southeastern New Mexico, USA
40Ar/39Ar dating of Lujiatun Bed (Jehol Group) in Liaoning, northeastern China
40Ar/39Ar dating of Ordovician K-bentonites in Laurentia and Baltoscandia
40Ar/39Ar dating of the pre-evaporitic Messinian marine sequences of the Melilla basin (Morocco): a proposal for some biosedimentary events as isochrons around the Alboran Sea
40Ar/39Ar geochronology and structural data from the giant Okavango and related mafic dyke swarms, Karoo igneous province, northern Botswana
40Ar/39Ar laser probe dating of the Central European tektite-producing impact event
40Ar/39Ar Studies of Antarctic Micrometeorites
40Ar∗ loss in experimentally deformed muscovite and biotite with implications for 40Ar/39Ar geochronology of naturally deformed rocks
40Ca Isotopic Evolution of the Oceans and Crust and the Major Role of Hydrothermal Circulation Over Geologic Time
40K 40Ar dating of the Main Deccan large igneous province: Further evidence of KTB age and short duration
40K-40Ca isotopic constraints on the oceanic calcium cycle
450 Revolutions Later: ``De revolutionibus" in Retrospect
496 My age of plagiogranites in the Chamrousse ophiolite complex (external crystalline massifs in the French Alps): evidence of a Lower Paleozoic oceanization
4D induced matter from non-compact 5D Kaluza-Klein gravity
4PPM modulator/demodulator with fully digital signal regeneration