000 00732cam a22002291 4500
001 s 41000049
003 DLC
005 20260227111912.0
008 850617s1939 bl abf b 000 0 por c
010 _as 41000049
035 _a(OCoLC)12166731
040 _aSmithsonian Institution. Library
_cDSI
_dDLC
042 _apremarc
050 0 0 _aTN948.D5
_bA23
100 1 _aAbreu, Sylvio Fróes,
_d1902-1972.
245 1 0 _aKieselguhr nacional (diatomito).
260 _aRio de Janeiro,
_c1939.
300 _a70 p.
_bplates, maps, diagrs.
_c24 cm.
500 _aAt head of title: Instituto Nacional de Technolgia (Ministerio do Trabalho, Industria e Comercio
504 _aBibliography: p. 69-70.
650 0 _aDiatomaceous earth.
999 _c52762
_d52762