Demografía y economía.

no.1-3 1967; v.1-2; v.1 (1967); no.1-6 (1967-68); no.4-6 1968; v.2:2-3 (1968); no.7-9 1969; v.3; v.3 (1969); no.7-12 (1969-70); no.10-12 1970; v.4-5; v.4 (1970); no.13-15 1971; v.5 (1971); no.13-18 (1971-72); no.16-18 1972; v.6-7; v.6 (1972); no.19-21 1973; no.19-24 (1973-74); no.22-23 1974; v.7 no.2-3; v.8; v.8 (1974); no.25,27 1975; no.25-27 (1975); no.28-30 1976; v.9 (incomplete); v.9; v.10-11; v.10 (1976); no.31-33 1977; no.34-36 1978; v.11 no.2-3; v.12 (1978); no.37-40 1979; v.13; v.13 (1979); no.41-44 1980; v.14; v.14 (1980); no.45-48 1981; v.15; v.15 (1981); no.49-52 1982; v.16; v.16 (1982); no.53-56 1983; v.17; v.17 (1983); no.57-60 1984; v.18; v.18 (1984); no.13-15; no.16-18; no.19-21; no.23-24; no.37-40; no.41-44; no.45-48; no.49; no.51-53; no.55-56; no.57-60; index v.3-13 (1967-79)