Trade and industry.

v.1 Oct 21-Dec 30 1970; v.1 (1970); v.1 Oct 21-Dec 1970; v.2 Jan-Mar 1971; v.2JAN-MAR 1971; v.3 Apr-June 1971; v.3 (1971:Apr.-June); v.3 (1971); v.4 July-Sept 1971; v.5 Oct-Dec 1971; v.5 (1971); v.6 Jan-Mar 1972; v.6 (1972); v.7 Apr-June 1972; v.7 (1972); v.8 July-Sept 1972; v.9 Oct-Dec 1972; v.9 (1972); v.10 Jan-Mar 1973; v.10 (1973); v.11 Apr-June 1973; v.11 (1973); v.12 July-Sept 1973; v.13 Oct-Dec 1973; v.13 (1973); v.14 Jan-Mar 1974; v.14 (1974); v.15 Apr-June 1974; v.15 (1974:Apr.-June); v.15 (1974); v.16 July-Sept 1974; v.16 1974; v.17 Oct-Dec 1974; v.17 (1974); v.18 Jan-Mar 1975; v.18 (1975:Jan.-Mar.); v.18 (1975); v.19 Apr-June 1975; v.19 (1975); v.20 July-Sept 1975; v.21 Oct-Dec 1975; v.21 1975; v.22 Jan-Mar 1976; v.22 1976; v.23 Apr-June 1976; v.23 (1976:Apr.-June); v.23 (1976); v.24 July-Sept 1976; v.24 (1976:July-Sept.); v.25 Oct-Dec 1976; v.25 (1976); v.26 Jan-Apr 1 1977; v.26 (1977); v.26 Jan-Mar 1977; v.26 no.13 Apr 1 1977; v.27 Apr 8-July 1 1977; v.27 (1977); v.28 July 8-Sept 1977; v.28 (1977); v.29 Oct-Dec 1977; v.29 1977; v.29:no.1-2,4-12 (1977:Oct.7-14,Oct.28-Dec.23/30); v.30 Jan-Mar 1978; v.30 (1978); v.31 Apr-June 1978; v.31 (1978); v.31 no.1-2 April 7-April 14 1978; v.32 July-Sept 1978; v.33 Oct-Dec 1978; v.33 (1978); v.34 Jan-Mar 1979; v.34 (1979:Jan.-Mar.); v.34 (1979); v.35 Apr-June 1979; v.35 (1979); v.36 July-Sept 1979; v.37 1979; v.37:no.1-9 (1979); v.37-38 no.3 Oct 1979-Jan 18 1980; v.37:no.10-v.38:no.3 (1979-80); v.38NO1-3 1980