61
62
63
64
65
66
67
68
69
70
71
by Nawratil, Heinz
Published 1982
Published 1982
Book
72
73
74
by Hiller, Horst
Published 2003
Published 2003
Book
75
by Otto, Bertram
Published 2000
Published 2000
Book
76
by Nawratil, Heinz
Published 2011
Published 2011
Book
77
by Schlomann, Friedrich-Wilhelm
Published 1985
Published 1985
Book
78
79
80