C. Vinha

Qualitative and semiquantitative analysis of dried fruits and seasoning products of paprika using photoacoustic spectroscopy

Ulrich Haas, Carlos A. Vinha, U. Haas, 1997 .

Photoacoustic spectroscopy for depth-profile analysis and herbicide monitoring in leaves.

L. Miranda, H. Vargas, C. Vinha, 1987, The Analyst.

Qualitative and semiquantitative analysis of annatto and its content in food additives by photoacoustic spectrometry

Ulrich Haas, Carlos A. Vinha, U. Haas, 1995 .