References
- Bean P. T., Pearson Y. C. Crack and Cocaine use in Nottingham 1989/90 and 1991/92. “Crack and Cocaine in England and Wales”, J. Mott. Research and Planning Unit. 1992, Paper 70 Home Office: London
- Bean P. T. Cocaine and Crack: The Promotion of an Epidemic. Cocaine and Crack, P. T. Bean. St Martin's Press, London 1993, Y. C. Pearson CAT Progress Report Year II–A Report on the work of the Crack Awareness Team with crack users in Nottingham from September 1994-Augtist 1995 apa–community drug and alcohol initiatives, 67-69
- Stutman R. M. “Crack, its effects on a city and a law enforcement response”. Paper given to the 9th Annual National Drugs Conference of Assistant Chief Police Officers, Wales, 1989