@inbook{8de3fbe2f48048568c08b572a6f9280d,
title = "Major Production Activities, Labour Needs and Prices in Sahelian Villages",
author = "{de Ridder}, N. and {de Graaff}, J. and L. Stroosnijder and M. Slingerland and T.J. Stomph and P. Kiepe",
year = "2001",
language = "English",
isbn = "9783923381456",
series = "Advances in geoecology",
publisher = "Catena",
number = "33",
pages = "73--82",
editor = "L. Stroosnijder and {van Rheenen}, T.",
booktitle = "Agro-silvo-pastoral land use in Sahelian villages",
}