| Issue Date | Title | Author(s) | Type | Access |
| 25-Nov-1998 | CMOS compatible optical sensors with thin film interference filters : fabrication and characterization | Kong, S. H.; Correia, J. H.; Graaf, G. de, et al. | Conference paper | Open access |
| Dec-2001 | A CMOS optical microspectrometer with light-to-frequency converter, bus interface, and stary-light compensation | Correia, J. H.; Graaf, G. de; Bartek, M., et al. | Article | Open access |
| Jun-2013 | Gas viscosity mems sensor based on pull-in | Dias, R. A.; Graaf, G. de; Wolffenbuttel, R. F., et al. | Conference paper | Restricted access (UMinho) |
| 2004 | A MCM-based microsystem for biological fluids analysis by optical absorption | Minas, Graça; Ribeiro, J. C.; Graaf, G. de, et al. | Conference paper | Restricted access (UMinho) |
| 2006 | An MCM-based microsystem for colorimetric detection of biomolecules in biological fluids | Minas, Graça; Graaf, G. de; Wolffenbuttel, R. F., et al. | Article | Restricted access (UMinho) |
| 15-Feb-1999 | On-chip integrated CMOS optical spectrometer with a light-to-frequency converter and bus interface | Graaf, G. de; Correia, J. H.; Bartek, M., et al. | Conference paper | Open access |
| 11-Apr-1999 | Optical microspectrometer using a micro-instrumentation platform | Bartek, M.; Correia, J. H.; Graaf, G. de, et al. | Conference paper | Open access |
| 12-Apr-2012 | A review of visible-range Fabry–Perot microspectrometers in silicon for the industry | Carmo, João Paulo Pereira; Rocha, R. P.; Correia, J. H., et al. | Article | Restricted access (UMinho) |
| 2000 | Single-chip CMOS optical microspectrometer | Correia, J. H.; Graaf, G. de; Kong, S. H., et al. | Article | Open access |
| Oct-2002 | A single-chip CMOS optical microspectrometer with light-to-frequency converter and bus interface | Correia, J. H.; Graaf, G. de; Bartek, M., et al. | Article | Open access |
| 7-Jun-1999 | Single-chip CMOS optical microspectrometer with sensor bus interface | Correia, J. H.; Graaf, G. de; Kong, S. H., et al. | Conference paper | Open access |
