@book{93960,
	author = {The Symposium on the use of isotopes and radiation in soil plant nutrition studies, Ankara, Jun.28-Jul.2, 1965.},
	title = {Isotopes and radiation in soil plant nutrition studies; proceedings},
	publisher = {IAEA},
	year = {1965},
	series = {IAEA; Proceedings Series},
	address = {Vienna}
}