Schacht P, Da̕z-Garca̕ L, Aguilar J, Ramr̕ez S, Přez-Romo P, Espinosa M, & Scientific Research Publishing. Upgrading of heavy crude oil with W-Zr catalyst.
Chicago-čujuhus (17. p.)Schacht P, Da̕z-Garca̕ L, Aguilar J, Ramr̕ez S, Přez-Romo P, Espinosa M, juo Scientific Research Publishing. Upgrading of Heavy Crude Oil with W-Zr Catalyst.
MLA-čujuhus (9. p.)Schacht P, et al. Upgrading of Heavy Crude Oil with W-Zr Catalyst.
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