Neira, G; Cañas, L.:
Procedure for the measurement of contact angle in fine particulate solids. En: Scientia et Tecnica, ISSN: 0122-1701. Year XIII, No. 36, 2007, p. 833-837.

Cañas, L; Neira, G; Zapata, A.:
Surface properties of calcite (CaCO3) in the ultraflotation of anatase (TiO2). En: Scientia et Tecnica, ISSN: 0122-1701, Year XIII, No. 36, 2007, p. 827-832.

Escalante, H; Reyes, J; Neira, G.:
Montmorillonite-type colombian clays modified with sodium dodecyl sulphate (SDS) for the adsorption of Ni2+ cations. En: ION, ISSN: 0120-100X, Universidad Industrial de Santander, V. 20, No. 1, 2007, p. 11-18.

Barrera, M.; Mejía, A.; Palacios, J.; Neira G.; Henao, J.:
Preparation of polymer/silicate nanocomposites using modified colombian bentonites. En: Scientia et Tecnica, ISSN: 0122-1701, Year XIII, No. 36, 2007, p. 591-598.