"A new look at an old frog: The Jurassic Notobatrachus Reig from Patagonia" (2004) Báez, A.M.; Nicoli, L. Ameghiniana. 41(3):257-270

"Adsorption of phosphate on goethite: An undergraduate research laboratory project" (2004) Tribe, L.; Barja, B.C. Journal of Chemical Education. 81(11):1624-1627

"An experimental method for studying two-dimensional percolation" (2004) Schwartz, G.A.; Ludueña, S.J. American Journal of Physics. 72(3):364-366

"Correction of aberrations in an optical correlator by using it as a point diffraction interferometer" (2004) Iemmi, C.; Moreno, A.; Nicolás, J.; Campos, J. Optical Metrology in Production Engineering. 5457:589-597

"Direct visualization of surface-plasmon bandgaps in the diffuse background of metallic gratings" (2004) Depine, R.A.; Ledesma, S. Optics Letters. 29(19):2216-2218

"Nonlinear optical nanoscope with depth resolution" (2004) Mochán, W.L.;López-Bastidas, C.;Maytorena, J.A. (...)Brudny, V.L. RIAO/OPTILAS 2004: 5th Iberoamerican Meeting on Optics, and 8th Latin American Meeting on Optics, Lasers, and their Applications; ICO Regional Meeting. 5622(PART 1):524-528

"Optical generation of many-spin entangled states in a quantum well" (2004) Merlin, R.; Bao, J.M.; Bragas, A.V.; Furdyna, J.K. Noise and Information in Nanoelectronics, Sensors, and Standards II. 5472:200-213

"Photochromic fluorescence resonance energy transfer (pcFRET): Formalism, implementation, and perspectives" (2004) Jares-Erijman, E.A.;Giordano, L.;Spagnuolo, C. (...)Jovin, T.M. Progress in Biomedical Optics and Imaging - Multiphoton Microscopy in the Biomedical Sciences IV. 5323:13-26

"Simple expressions for performance parameters of complex filters, with applications to super-Gaussian phase filters" (2004) Ledesma, S.; Campos, J.; Escalera, J.C.; Yzuel, M.J. Optics Letters. 29(9):932-934

"Steroid Hormones Induce bcl-X Gene Expression through Direct Activation of Distal Promoter P4" (2004) Viegas, L.R.;Vicent, G.P.;Barañao, J.L. (...)Pecci, A. Journal of Biological Chemistry. 279(11):9831-9839

"Symmetry properties with pupil phase-filters" (2004) Ledesma, S.; Campos, J.; Escalera, J.C.; Yzuel, M.J. Optics Express. 12(11):2548-2559

"Vertebrate coprolites from the Triassic of Argentina (Cuyana Basin)" (2004) Mancuso, A.C.; Marsicano, C.; Palma, R. Ameghiniana. 41(3):347-354

"Wavelet coefficients thresholding method applied to the correlation of noisy scenes" (2004) Mazzaferri, J.; Ledesma, S. RIAO/OPTILAS 2004: 5th Iberoamerican Meeting on Optics, and 8th Latin American Meeting on Optics, Lasers, and their Applications; ICO Regional Meeting. 5622(PART 2):617-621