(Tables 1, page 1384) Osmium concentration and isotopic composition of North Pacific deep-sea ferromanganese nodules and sediments determined after treatment by oxalic acid leaching - Bradley K Esser; Karl K Turekian (PANGAEA, 1988)
In supplement to: Esser, BK; Turekian, KK (1988): Accretion rate of extraterrestrial particles determined from osmium isotope systematics of Pacific Pelagic clay and manganese nodules. Geochimica et Cosmochimica Acta, 52(6), 1383-1388, https://doi.org/10.1016/0016-7037(88)90209-8