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Full-text available from the year 1971 to current. GeoRef records available only prior to that.
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2023 Volume 180, Numbers 1 - 3
Contains Open Issues
- 2022 Volume 179, Numbers 1 - 6
- 2021 Volume 178, Numbers 1 - 6
- 2020 Volume 177, Numbers 1 - 6
- 2019 Volume 176, Numbers 1 - 6
- 2018 Volume 175, Numbers 1 - 6
- 2017 Volume 174, Numbers 1 - 6
- 2016 Volume 173, Numbers 1 - 6
- 2015 Volume 172, Numbers 1 - 6
- 2014 Volume 171, Numbers 1 - 6
- 2013 Volume 170, Numbers 1 - 6
- 2012 Volume 169, Numbers 1 - 6
- 2011 Volume 168, Numbers 1 - 6
- 2010 Volume 167, Numbers 1 - 6
- 2009 Volume 166, Numbers 1 - 6
- 2008 Volume 165, Numbers 1 - 6
- 2007 Volume 164, Numbers 1 - 6
- 2006 Volume 163, Numbers 1 - 6
- 2005 Volume 162, Numbers 1 - 6
- 2004 Volume 161, Numbers 1 - 6
- 2003 Volume 160, Numbers 1 - 6
- 2002 Volume 159, Numbers 1 - 6
- 2001 Volume 158, Numbers 1 - 6
- 2000 Volume 157, Numbers 1 - 6
- 1999 Volume 156, Numbers 1 - 6
- 1998 Volume 155, Numbers 1 - 6
- 1997 Volume 154, Numbers 1 - 6
- 1996 Volume 153, Numbers 1 - 6
- 1995 Volume 152, Numbers 1 - 6
- 1994 Volume 151, Numbers 1 - 6
- 1993 Volume 150, Numbers 1 - 6
- 1992 Volume 149, Numbers 1 - 6
- 1991 Volume 148, Numbers 1 - 6
- 1990 Volume 147, Numbers 1 - 6
- 1989 Volume 146, Numbers 1 - 6
- 1988 Volume 145, Numbers 1 - 6
- 1987 Volume 144, Numbers 1 - 6
- 1986 Volume 143, Numbers 1 - 6
- 1985 Volume 142, Numbers 1 - 6
- 1984 Volume 141, Numbers 1 - 6
- 1983 Volume 140, Numbers 1 - 6
- 1982 Volume 139, Numbers 1 - 6
- 1981 Volume 138, Numbers 1 - 6
- 1980 Volume 137, Numbers 1 - 6
- 1979 Volume 136, Numbers 1 - 6
- 1978 Volume 135, Numbers 1 - 6
- 1977 Volume 133, Numbers 1 - 6
- 1977 Volume 134, Numbers 1 - 3
- 1976 Volume 132, Numbers 1 - 6
- 1975 Volume 131, Numbers 1 - 6
- 1974 Volume 130, Numbers 1 - 6
- 1973 Volume 129, Numbers 1 - 6
- 1972 Volume 128, Numbers 1 - 6
- 1971 Volume 127, Numbers 1 - 6
