Etiqueta de registo: 00254nam 2200025 450
001 2021717
003 http://id.bnportugal.gov.pt/bib/catbnp/2021717
100 ## $a20190514d1917 m y0pory01030103ba
101 0# $aeng
102 ## $aUS
105 ## $ay z 000yy
106 ## $ar
200 1# $aAnswers to questions on the flotation of ores$fby Oliver C. Ralston
210 #9 $aWashington$cGovernment Printing Office,$d1917
215 ## $a30 p.$d26 cm
225 2# $aTechnical paper$fDepartment of the Interior. Bureau of Mines$v149
700 #1 $aRalston,$bOliver Caldwell,$f1887-1965$31752500
711 00 $aEstados Unidos.$bDepartment of the Interior.$bBureau of Mines$4070$3750859
801 #0 $aPT$bBN$gRPC
856 40 $2Cópia digital disponível em HathiTrust.org$uhttps://hdl.handle.net/2027/mdp.39015095082494
966 ## $lBN$mFGMON$sS.A. 7121//12 V.