61
Tondl, Ladislav.
| Reidel:Sold and distributed in the U.S.A. and Canada by Kluwer Boston |
1981
62
Schwartz, Arthur N.
| Holt, Rinehart, and Winston |
1984
64
Ronald L. Applbaum
| Scince research Associates |
1982
66
Gaskell, Ronald.
| Routledge and K. Paul |
1972
67
J. Alan Adams
| Holt Rinehart and Winston |
1988