1. Adair, Alastair, and W. Stanley McGreal. (1988). “The Application of Computer Assisted Valuation Techniques to the Valuation of Residential Properties in Northern Ireland.” University of Ulster.
2. Bassett, J., and C. Wheeler. (1969). Bean and Lockwoods Rating Valuation Practice. London: Steven & Sons.
3. Baum, Andrew. (1982). “Extrapolating Comparable Evidence.” Estates Gazette 263, 23–27.
4. Baum, Andrew. (1983a). “Comparable Evidence in Rent Reviews (1).” Rent Review and Lease Renewal 3(3), 215–220.
5. Baum, Andrew. (1983b). “Comparable evidence in Rent Reviews (2).” Rent Review and Lease Renewal 3(4), 310–316.