Bulletin of the Geographical Survey Institute.

v.2-3 1950; v.3 no.2-4 1953; v.4 1954; v.4-5 1954-1958; v.5 1958; v.6NO1 1960; v.6-7 1960-1962; v.7-8 1961-1962; v.9-10 1964; v.9-11 1964-1966; v.11-12 1965-1967; v.12-15 1966-1970; v.13-15 1968-1970; v.16pt.1 1970; v.16pt.2 1971; v.17PT1 1972; v.18PT1 1972; v.16-19 1970-1973; v.23-25:1 (June 1978-Mar 1981); v.20-27 1974-1982 Incompl.; v.27-32 (Nov 1982-1987); v.28-33 1983-1988; v.33-34 (1988-89); v.35 (1990); v.36 (1991); v.37 (Mar 1992); v.38-39 (Mar 1993); v.34-40 1989-1994; v.41-44 1995-1998; v.45 1999; v.41-46 (1995-2000); v.46 2000; v.47 2001; v.47-48 (2001-02); v.48 2002; v.49 2003; v.49 (Mar 2003); v.50 2004; v.50 (Mar 2004); v.51 2004; v.51 (Mar 2004); v.52 2005; v.52 (Mar 2005); v.53 2006; v.53 (Mar 2006); v.54 2007; v.55(2008)