1. 1
    Published 1983
    ...Longman,...
    Conference Proceeding Book
  2. 2
    Published 2001
    ...Longman,...
    Conference Proceeding Book
  3. 3
    Published 1975
    ...Longman ; distributed by Longman Inc,...
    Conference Proceeding Book
  4. 4
    Published 1979
    ...Longman Paul,...
    Conference Proceeding Book
  5. 5
    Published 1975
    ...Longman Paul,...
    Conference Proceeding Book
  6. 6
    Published 1976
    ...Longman Canada,...
    Conference Proceeding Book
  7. 7
    by Leeming, Bernard
    Published 1966
    ...Darton, Longman & Todd,...
    Conference Proceeding Book
  8. 8
    Published 1991
    ...Longman Scientific & Technical ; Wiley,...
    Conference Proceeding Book
  9. 9
    Published 1850
    ...Longman, Brown, Green, and Longmans,...
    Conference Proceeding Book