Highly cited old papers and the reasons why they continue to be cited. Part II., The 1953 Watson and Crick article on the structure of DNA. - Tanzila Ahmed; Ben Johnson; Charles Oppenheim; Catherine Peck (Scientometrics, 2004)

Letter to the Editor. - Tanzila Ahmed; Ben Johnson; Charles Oppenheim; Catherine Peck (Scientometrics, 2005)