Twin plant news : TP.

v.1 no.1,4-5,8,10-12 1985/86; v.2 no.1,3-5,7-12 1986/87; v.2 no.7-12; v.3 no.1-6; v.3 no.1-6 1987/88; v.3 no.7-12; v.3 no.7-12 1988; v.4 no.1-6; v.4 no.1-6 1988-89; v.4 no.7-12; v.4 no.7-12 1989; v.5 no.1-6; v.5 no.1-3 1989; v.5 no.4-6 1989-90; v.5 no.7-12; v.5 no.7-12 1990; v.6 no.1-6; v.6 no.1-6 1990; v.6 no.7-12; v.6 no.7-12 1991; v.7 no.1-6; v.7 no.1-6 1991; v.7 no.7-12; v.7 no.7-12 1992; v.8 no.1-6; v.8 no.1-6 1992-93; v.8 no.7-12; v.8 no.7-12 1993; v.9 1993-94; v.9 no.7-12; v.10 1994-95; v.10 no.1-6; v.10 no.7-12; v.11 no.1-6; v.11 no.1-6 1995/96; v.11 no.7-12; v.11 no.7-12 1996; v.12 no.1-5; v.12 no.1-6 1996-97; v.12 no.6-12; v.12 no.7-12 1997; v.13 no.1-6; v.13 no.1-6 1997-98; v.13 no.7-12; v.13 no.7-12 1998; v.14 no.1-6; v.14 no.1-6 1998-99; v.14 no.7-12; v.14 no.7-12 1999; v.15 no.1-6; v.15 no.1-6 1999/2000; v.15 no.7-12; v.15 no.7-12 2000; v.16 no.1-5; v.16 no.1-6 2000/01; v.16 no.7-12 2000/01; v.16 no.8-12; v.17 2001/02; v.17 no.1-6; v.17 no.7-12; v.18 2002/03; v.18 no.1-6; v.18 no.7-12; v.19 2003/04; v.19 no.1-6; v.19 no.7-12; v.20 2004-05; v.20 no.1-6; v.20 no.7-10,12; v.20 no.11; v.21 2005-06; v.21 no.1-6; v.21 no.7-12; v.21 no.12 2006; v.22 2006/07; v.22 no.1-6; v.22 no.7-9,11-12; v.23 2007-08; v.23 no.1-6