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(2016), 21, (1), 15–32.
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(1958), 1, (3), 180–188.
(2016), 38, (4), 383–403.
(2016), 2016, (1-2), 143–148.
(2011), 52, (3), 33–40.
(2018), 59, (4), 319–338.
(1994), 35, (4), 23–26.
(1973), 17, (1), 64–69.
(1972), 15, (2), 111–116.
(1977), 21, (1), 25–27.
(1991), 32, (4), 58–70.
(1994), 35, (4), 2–6.
(1986), 28, (4), 1–2.
(1980), 23, (2), 65–73.
(2007), 48, (3), 50–59.
(2005), 46, (1), 2–6.
(2013), 13, (3), 17–31.
(1989), 31, (3), 31–37.
(1997), 38, (1), 16–21.
(1971), 15, (1), 90–92.