81
82
83
84
85
86
87
88
89
90
by Ryan, Michael
Published: 1972
Book
91
92
93
94
by Melissinos, Adrian C.
Published: 1973
Book
95
by Nagy Ernő
Published: 1964
Book
96
97
by Dankert, Jürgen
Published: 1977
Book
98
by Merkulov, O. P.
Published: 1986
Book
99
by Schöne, Peter
Published: cop. 1976
Book
100
by Schaefer, Eugen
Published: 1972
Book