As
ZR Plus update codes (UD=) and thesaurus scope notes use
ZR
Plus volumes to provide details on updates and term usage, this table
is provided to relate
ZR Plus volume number to database update
year:
| ZR Plus Volume |
Year |
ZR Plus Volume |
Year |
ZR Plus Volume |
Year |
| 115 |
1978 |
127 |
1991 |
138 |
2002 |
| 116 |
1979 |
128 |
1992 |
139 |
2003 |
| 117 |
1980 |
129 |
1993 |
140 |
2004 |
| 118 |
1981 |
130 |
1994 |
141 |
2005 |
| 119 |
1982 |
131 |
1995 |
142 |
2006 |
| 120 |
1983 |
132 |
1996 |
143 |
2007 |
| 121 |
1984 |
133 |
1997 |
144 |
2008 |
| 122 |
1985 |
134 |
1998 |
145 |
2009 |
|
|
| 123 |
1987 |
135 |
1999 |
| 124 |
1988 |
136 |
2000 |
| 125 |
1989 |
137 |
2001 |
| 126 |
1990 |
138 |
2002 |