821
Published 1998
Springer US

822
by Ewer, R. F.
Published 1968
Springer US

824
by Hardisty, M. W.
Published 1979
Springer US

825
by Edwards, C.A., Lofty, J. R.
Published 1972
Springer US

826
Published 1980
Springer US

828
Published 1982
Springer New York

829
Published 1979
Springer US

831
by Raabe, M.
Published 1989
Springer US

832
Published 1976
Springer US

833
Published 1985
Springer US

837
Published 1984
Springer US

838
Published 1983
Springer US

839
Published 1988
Springer US

840
by Wobeser, G.A.
Published 1994
Springer US