The new criterion.

v.1 no.1-6; v.1 no.7-10; v.2 no.1-5; v.2 no.6-10; v.3 no.1-5; v.3 no.6-10; v.4 no.1-6; v.4 no.7-10; v.5 no.1-5; v.5 1987 no.6-10+summer; v.6 no.1-5; v.6 no.6-10; v.7 no.1-5; v.7 no.6-10; v.8 no.1-5; v.8 no.6-10 1990; v.9 no.1-4; v.9 no.5-10 1991; v.10 no.1-4; v.10 no.5-10; v.11 no.1-5; v.11 no.6-10; v.12 no.6-10; v.13 no.1-5; v.13 no.6-10; v.14 no.1-5; v.14 no.6-10; v.15 no.1-5; v.15 no.6-10; v.16 no.2-4; v.16 no.5-10; v.17 no.1-4; v.17 no.1-6; v.17 no.7-10; v.18 no.1-4; v.18 no.5-10; v.19 no.1-4; v.19 no.5-10; v.20 no.1-4; v.20 no.5-10; v.21 no.1-5; v.21 no.6-10 2003; v.22 no.1-5 2003; v.22 no.6-10 2004; v.23 no.1-4 2004; v.23 no.5-10 2005; v.24 no.1-4 2005; v.24 no.5-10 2006; v.25 no.1-6; v.25 no.1-4 2006; v.25 no.7-10; v.26 no.1-6; v.26 no.7-10; v.27 no.1-6; v.27 no.7-10; suppl.; Suppl.; index v.1-10 1982-1992