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Food Security, agricultural technology and policy – the case of maize in sub-Saharan Africa

This paper discusses food security and the African food crisis. By means of data from a survey of over 3000 farm households in eight sub-Saharan countries, the authors conclude that food security requires a broad integration of smallholders in the market. Subsistence orientation does not promote food security, while seed fertilizer technology does. Market integration of maize producers seems to be

Svenska bokband : historisk översikt

A short illustrated history of the main types of Swedish bookbindings from the 16th to the 20th century and their masters, preceding an exhibition catalogue of modern handbound bindings.

The -145 km/s Absorption System of Eta Carinae

With the STIS E230H mode (R 118,000), we have identified about twentyabsorption components in line of sight from Eta Carinae. Two components,one at -513 km/s and another at -145 km/s, are quite different incharacter from the others, mostly at intermediate velocities (Seeadjacent posters by T. Gull and A. Danks). The -145 km/s component issignificantly wider in fwhm, is seen in many more species, a