1. 1
    Published 1972
    ...HN 65 .M942...
    Book
  2. 2
    by Gusfield, Joseph R., 1923-
    Published 1981
    ...HE 5620 .D7 .G982...
    Book
  3. 3
    by Lowry, Ritchie Peter, 1926-
    Published 1974
    ...HN 18 .L921...
    Book