0185-1667 0185-1667 S0185-16672019000200011 10.22201/fe.01851667p.2019.308.69620 United Kingdom 00 06 2019 00 06 2019 78 308 11 38 1977 87 345 345 1-29 1977 1967 1976 1969 51 2 2 111-25 1978 1970 1972 25 102 102 211-62 1976 28 1 1 1-24