Slansky,Maurice Geology of sedimentary phosphates / Maurice Slansky; transl by Peter Cooper; pref. by Arthur Notholt . - Oxford : North Oxford Academic, 1986 . - 210 p. : ill. ; 25 cm. - Studies in geology . bibliogr,index ISBN: 0946536554 Source: Achat Universal Decimal Class. No.: 553.63.