C

Carter, Andrew (1990) The thermal history and annealing effects in zircons from the Ordovician of North Wales. International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements 17 (3), pp. 309-313. ISSN 1359-0189.

Crawford, Ian (1990) Benefits of mission to Mars. Nature 346 , p. 504. ISSN 0028-0836.

Crawford, Ian (1990) Disarming for the future: turning swords into spaceships. New Scientist 1717 , pp. 67-68. ISSN 0262-4079.

Crawford, Ian (1990) Interstellar travel: a review for astronomers. Quarterly Journal of the Royal Astronomical Society 31 , pp. 377-400. ISSN 0035-8738.

Crawford, Ian (1990) Observations of interstellar CN and C2 towards the Scorpius OB1 association. Monthly Notices of the Royal Astronomical Society 244 , pp. 646-651. ISSN 0035-8711.

Crawford, Ian (1990) The optical interstellar spectrum of HD 26571. Monthly Notices of the Royal Astronomical Society 243 (4), pp. 593-601. ISSN 0035-8711.

Crawford, Ian (1990) The strength of the Ca II K and Na I D lines in the B stars: implications for interstellar studies. Observatory -Didcot- 110 (1098), pp. 145-149. ISSN 0029-7704.

M

Mackay, Alan L. (1990) Lucretius: atoms and opinions. Symmetry 1 (1), pp. 3-17.

R

Roberts, B. and Morrison, C. and Hirons, Steven (1990) Low grade metamorphism of the Manx Group, Isle of Man; a comparative study of white mica 'crystallinity' techniques. Journal of the Geological Society 147 (2), pp. 271-277. ISSN 0016-7649.