1899 January 25 meeting of the British Astronomical Association
1899 June 21 meeting of the Royal Meteorological Society
1899 June 28 meeting of the British Astronomical Association
1899 June 9 meeting of the Royal Astronomical Society
1899 March 10 meeting of the Royal Astronomical Society
1899 March 15 meeting of the Royal Meteorological Society
1899 March 29 meeting of the British Astronomical Association
1899 May 12 meeting of the Royal Astronomical Society
1899 May 16 meeting of the Royal Meteorological Society
1899 May 31 meeting of the British Astronomical Association
1899 November 10 meeting of the Royal Astronomical Society
1899 November 15 meeting of the Royal Meteorological Society
1899 November 19 meeting of the British Astronomical Association
1899 October 25 meeting of the British Astronomical Association
189th Meeting of the American Astronomical Society
18F(α,p)21Ne Reaction: Neutron Source For r-Process In Supernovae
18melpomene
18O and 13C in the shells of freshwater molluscs and their environments
18O and the Origins of HdC and R CrB Stars
18O incorporation into sulphate during the bacterial oxidation of sulphide minerals and the potential for oxygen isotope exchange between O2, H2O and oxidized sulphur intermediates