@book{51092,
	author = {Elsokkary, Ibrahim Hossain Abdo.},
	title = {A study of some aspects of the chemistry of soil potasium in some soils of the UAR.},
	publisher = {Alexandria University Press,},
	year = {1965.},
	series = {Alexandria University theses series. Thesis},
	address = {[Alexandria]}
}
