1. 1
    by Wilson, Francis, 1939-
    Published 1989
    ...HC 905 .Z9 .P6 .W748...
    Conference Proceeding Book
  2. 2
    by Green, David R., 1954-
    Published 1995
    ...HC 258 .L6 .G795...
    Book
  3. 3
    by Cheal, David J.
    Published 1996
    ...HC 79 .P6 .C514...
    Book
  4. 4
    by Mayer, Susan E.
    Published 1997
    ...HQ 792 .U5 .M468...
    Book
  5. 5
    by Kothari, Rajni
    Published 1995
    ...HC 440 .P6 .K87...
    Book
  6. 6
    Published 2006
    ...HN 10 .R7 .P879 2006...
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    Book