1. European fitness-for-service network. EU's framework 5, proposal no. GTC1-2001-43049, contract no. G1RT-CT-2001-05071.
2. Kocak M., Laukkanen A., Gutiérrez-Solana F., Cicero S., Hadley I., editors. FITNET fitness-for-service (FFS) case studies and tutorials, vol. 3. ISBN 978-3-940923-02-8, in press.
3. Guide to methods for assessing the acceptability of flaws in metallic structures;British Standard BS7910,2000