00525cam a22002054a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080000800124100002100132245005200153260003300205490002600238650002100264655001900285700001500304AR-SsjUIB20250710155142.0250429s1978 xxu 000 0 eng d a0471713384 aAR-SsjUIBcAR-SsjUIB0 aeng axxu a5511 aReeves, Roger D.10aTrace element analysis of geological materials. aNew York :bJ. Wiley,c1978.0 aChemical analysisv51 7aGeología2lemb 7aLibro2unescot1 aBrooks, R.