@book{2418,
	author = {International Board for Soil Research and Management (IBSRAM)},
	title = {The management of lowland clayey soils after rice in Asia : proceedings of the First International Workshop on the Management of Lowland Clayey Soils for Upland Crops after Rice in Asia, Khon Kaen, Thailand. 19-24 March 1990},
	publisher = {IBSRAM,},
	year = {1991}
}