International abstracts in operations research.

v.1-2 1961-1963; v.3-4 1963-1964; v.5-6 1965-1966; v.7-8 1967-1968; v.9 1969; v.10 1970; v.11 1971; v.12 1972; v.13 1973; v.14-15 1974-1975; v.16-17 1976-1977; v.18-19 1978-1979; v.20-21 1979-1980; v.22-23 1981; v.24-25 1982; v.26-27 1983; v.28-29 1984; v.30-31 1985; v.32-33 1986; v.34-35 1987; v.36-37 1988; v.38-39 1989; v.40-41 1990; v.42 no.1-4 1991; v.43 1992; v.44 no.1-3 1993; v.44 no.4-6 1993; v.45 no.1-2 1994; v.45 no.3-4 1994; v.45 no.5-6 1994; v.46 no.1-2 1995; v.46 no.4-6 1995; v.42 no.6 1996; v.47 no.1-3 1996; v.47 no.4-6 1996; v.48 no.1-3 1997; v.48 no.4-6 1997; v.49 no.1-3 1998; v.49 no.4-6 1998; v.50 no.1-3 1999; v.50 no.4-6 1999; v.51 no.1 2000 Feb; v.51 no.2 2000 Apr; v.51 no.3 2000 Jun; v.51 no.4-6 2000; v.52 no.1-3 2001; v.52 no.4-6 2001; v.52 no.7-8 2001; v.53 no.1-4 2002; v.53 no.5-8 2002; v.54 no.1-4 2003; v.54 no.5-8 2003; index v.1-4; index v.5-8; index v.9-12; index v.13-16