@book{21496,
	author = {Bos, M. G. and Nugteren, J. and Instituto Internacional de Rescate y Mejoramiento Técnico de Tierras.},
	title = {On irrigation efficiencies},
	publisher = {International Institute for Land Reclamation and Improvement,},
	year = {1974},
	series = {Internationa Institute for Land A Land Reclamation and Improvement. Publication},
	address = {Wageningen :}
}