3. corr. print, 1996

1978

1978

1981

1. print, 1977

1981

1972

2. ed, 1975

1966

1974

2. ed., rev. et corr, 1971

The present 2. ed. is basically a re-issue of the ed. of 1948, to which there has been added a full index (subject and name index) and in which various errata have been corrected, 1970

1967 [erschienen] 1968

1977

2. ed., substantially rev. and extended, 1990

1990

1991

2004

2003

2003

1998

Rev. ed., 1. ed, 2001

2. ed, 1997

1997

2001