In his excellent"Voordrachten over de geologie van nederlandsch indie"prof.dr.l.rutten has dedicated a whole page(p.297)to my theory 1)of the origin of the iron ores of sungai dua
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat
PMB LF 1963 - 7