40Ca Isotopic Evolution of the Oceans and Crust and the Major Role of Hydrothermal Circulation Over Geologic Time

40Ca(α,γ)44Ti and the production of 44Ti in supernovae

40harmonia

40K 40Ar dating of the Main Deccan large igneous province: Further evidence of KTB age and short duration

40K cryogenic rad-hard CMOS readout multiplexer fabrication process

40K-40Ca isotopic constraints on the oceanic calcium cycle

40th Anniversary of the First Man on the Moon - Slightly Different. (Slovenian Title: 40. obletnica prvega - loveka na Luni - malo drugace)

40th Meeting of the AAS Division on Dynamical Astronomy

40th Meeting of the AAS Solar Physics Division

41 Daphne CCD Spectrum

41 Mc/s IGY Auroral Radar at Ithaca, New York

41 neue südliche Veränderliche

41 Sextantis - a metallic line spectroscopic binary.

41 Sextantis - a new metallic line binary.

41 Sextantis A - Prototype of a new class among AM stars

410 Chloris CCD Spectrum

410 km discontinuity sharpness and the form of the olivine ?-? phase diagram: resolution of apparent seismic contradictions

4100 of Yamato98 Meteorite Collected by JARE 39Th in 1998-99 Season

4107 Rufino CCD Spectrum

410chloris