1. Ashbrook 1978, p. 231.
2. BRe, 1980, No. 43 (Oct. 27), p. 16ff.
3. In the 1980 World Bank Atlas, p. 6, the per capita GNP is indicated as being $230 in 1978, a “preliminary estimate based on official data (incomplete).”
4. Perkins 1977, p. 16; Prybyla 1977, p. 1122.
5. Eckstein 1973, p. 235; Rawski 1973, p. 22; World Bank Atlas p. 16.