Wissenschaftliche Beiträge.

no.1-8; 1977 no.2 pt.2; 1977 no.2 pt.1; 1977 no.4; 1977 no.5; 1977 no.6 pt.1; 1977 no.6 pt.2; 1977 no.7; no.9-15; 1977 no.9; 1977 no.10; 1977 no.13; 1977 no.14; no.18; 1977 no.18; 1981 no.1; 1981 no.2 pt.1; 1981 no.2 pt.2; 1981 no.5; 1981 no.6; 1981 no.8; 1981 no.9; 1981 no.10; 1981 no.16; no.19-20; 1981 no.20; no.21-23; 1981 no.22; 1981 no.23; no.24-26; no.27-33; 1981 no.32; no.34-36; no.37; no.38-40; no.41-42; no.43; no.44-50; no.51-53; no.55-56; no.57-61; no.62-63 (1984); no.64-66; no.67-69; no.71-72; no.73-75; no.76-78; no.79-85 (1986-87); no.86-92 (1987-88)