分面浏览：发表日期 |
| 当前检索式 | ((ALL：mountainous areas)) |
| 限定条件 | 无 |
| 2024 5 | 2023 11 | 2022 21 |
| 2021 59 | 2020 96 | 2019 114 |
| 2018 99 | 2017 86 | 2016 102 |
| 2015 90 | 2014 61 | 2013 51 |
| 2012 36 | 2011 35 | 2010 40 |
| 2009 31 | 2008 44 | 2007 12 |
| 2006 15 | 2005 35 | 2004 14 |
| 2003 12 | 2002 6 | 2001 3 |
| 1999 1 | 1997 1 | 1996 3 |
| 1994 3 | 1993 1 | 1992 2 |
| 1991 1 | 1988 2 | 1986 2 |
| 1985 1 | 1983 1 |
