HHowell HarrisHowell Harrisde M. H. JonesEdiciones (1)Howell Harris (1909)Cymmrodorion Society · inglésMás obras de M. H. JonesIIndustrial TribologyIndustrial TribologyHHarry FrierHarry FrierTThe marketing processThe marketing process
UUltraviolet spectrometry of flotation reagents with special Ultraviolet spectrometry of flotation reagents with special reference to the determination of xanthate in flotation liquors