1646-5954
1646-5954
S1646-59542020000300056
10.15847/obsobs14320201579
Portugal
Portugal
30
09
2020
30
09
2020
14
3
56
78
[
2019
10-30
]
[
2017
4
2
2
1
]
[
2004
]
[
2005
62-79
]
[
2006
]
[
2016
18
7
7
1293-309
]
[
2013
198-213
]
[
2012
41
1
1
57-88
]
[
2018
193-223
]
[
2008
]
[
2016
2
2
2
1-11
]
[
2016
4
3
3
347-70
]
[
2017
20
3
3
351-67
]
[
2006
11
2
2
415-41
]
[
1997
]
[
2010
]
[
2011
38
70-100
]
[
2014
171-80
]
[
2009
]
[
2003
43-55
]
[
2006
22
105-203
]
[
2007
9
1
1
25-32
]
[
2011
36
2
2
311-23
]
[
2010
415-74
]
[
2001
35
2
2
441-56
]
[
2006
]
[
2017
53
7
7
641-66
]
[
2015
70
6
6
543-56
]
[
1996
]
[
2003
93-102
]
[
2019
31-47
]
[
2010
16
9
9
31-48
]
[
2013
16
169-87
]
[
2018
50-61
]
[
2019
21
10
10
2183-200
]
[
2011
]
[
2019
16
1
1
75-91
]
[
2020
235
]
[
2009
85-100
]
[
2015
9
1229-46
]
[
2006
229-48
]
[
1996
44-74
]
[
1992
15-31
]
[
2013
]
[
2018
28
1
1
69-89
]
[
2018
26
5
5
465-83
]
[
2017
20
341-50
]
[
2015
]
[
2006
13
5-6
5-6
179-95
]
[
2009
3
63-86
]