1. 1
    Published 1982
    ...HB 1 .E19 n...
    Journal
  2. 2
    Published 1985
    ...HC 601 .Q1...
    Journal
  3. 3
  4. 4
    Published 1985
    ...HC 661 .Q1...
    Journal
  5. 5
    Published 1935
    ...HG 52 .N532...
    Journal
  6. 6
    Published 1951
    ...HG 3530.5 .A7 .R433 .B9...
    Journal
  7. 7
    ...HC 661 .W537...
    Journal