1. 1
    by Ritchie, James E.
    Published 1977
    ...HE 8700.7 .P8 .R599 1977...
    Book
  2. 2
    by Bick, Gordon, 1925-
    Published 1968
    ...HE 8699 .N5 .B583...
    Book
  3. 3
  4. 4
    Published 2003
    ...HE 8700.9 .A78 .T269 2003...
    Book