@book{93961,
	author = {Symposium on Isotope and Radiation Techniques in studies of Soil Physics, Irrigation and Drainage in relation to crop production, Vienna, Oct.1-5,1973.},
	title = {Isotopes and radiation techniques in soil physics and irrigation studies; proceedings.},
	publisher = {IAEA},
	year = {1974},
	series = {IAEA, Proceedings Series},
	address = {Vienna}
}