1. Ingelbrecht C, Peetermans F, De Corte F, De Wispelaere A, Vandecasteele C, Courtijn E, D’Hondt P (1991) Aluminium–gold reference material for the k 0-standardization of neutron activation analysis. Nucl Instrum Methods A303:119–122
2. Ingelbrecht C, Derbyshire M, Robouch P (2001) Certification of gold mass fraction in Al-0.1% Au Alloy: IRMM-530R. Report EUR 19930 EN. European Commission, Brussels
3. Ingelbrecht C, Roebben G, Derbyshire M, Linsinger TPJ, Lamberty A (2004) Certification of silver mass fraction in Al-0.1% Ag alloy: IRMM-533. Report EUR 20527 EN. European Commission, Brussels
4. Ingelbrecht C, Derbyshire M (2001) Certification of cobalt mass fraction in three Al-Co alloys: Al-0.1% Co (IRMM-527R), Al-1.0% Co (IRMM-528R), Al-0.01% Co (IRMM-532). Report EUR 19931 EN. European Commission, Brussels
5. Ingelbrecht C, Linsinger TPJ, Derbyshire M, Lamberty A (2003) The certification of scandium mass fraction in Al-2.0% Sc alloy: IRMM-534. Report EUR 20528 EN. European Commission, Brussels