Globular clusters/ by NATO Advanced Study Institute on Globular Clusters (1978 : University of Cambridge), Hanes, D., Madore, B.

MEETING OF ROYAL ASTRONOMICAL SOCIETY by Smith, F, Cooke, B, Hill, P, Sciama, D, Rowanrobinson, M, Burnell, S, Tayler, R, Shakeshaft, J, Cannon, R, Dickens, R, Fabian, A, Davison, P, Hanes, D, Mcvittie, G, Whitrow, G, Disney, M, Bell, A, Murray, C, Audouze, J, Seaton, M, Stratford, R, Henbest, S, Mccrea, W, Walsh, D, Culhane, J