1969 Mariner Mars IRS Thermal Infrared Spectra of the Dark Side of Mars

1969 May 9

1969 November 11 meeting of the Royal Astronomical Society

1969 November 14 meeting of the Royal Astronomical Society

1969 Occultation Supplement -- Predictions for the United States and Canada

1969 October 10 meeting of the Royal Astronomical Society

1969 Perseid Radiants

1969 UBV Observations of CG Cygni

196Hg/202Hg Ratio and HG Content in Meteorites and Terrestrial Standard Rocks: A RNAA Study

196philomela

197 Arete CCD Spectrum

1970 - 1971: Guide to scientific instruments.

1970 April 10 meeting of the Royal Astronomical Society

1970 December 11 meeting of the Royal Astronomical Society

1970 February 13 meeting of the Royal Astronomical Society

1970 January 9 meeting of the Royal Astronomical Society

1970 March 13 meeting of the Royal Astronomical Society

1970 May 8 meeting of the Royal Astronomical Society

1970 November 13 meeting of the Royal Astronomical Society

1970 Occultation Supplement -- Predictions for the United States and Canada