1. Carlson, K.E., et al., 1990. RELAP5/MOD3 Code Manual. User's Guidelines, vol. 1–4, Rev. 1. NUREG/CR-5535, INEL-95/0174.
2. Fletcher, C.D., Schultz, R.R., 1995. RELAP5/MOD3 Code Manual. User's Guidelines, vol. 5, Rev. 1. NUREG/CR-5535, INEL-95/0174.
3. Groudev, P.P., et al., 1999. Engineering Handbook, “Safety Analysis Capability Improvement of KNPP (SACI of KNPP) in the Field of Thermal Hydraulic Analysis”. BOA 278065-A-R4, INRNE-BAS, Sofia, pp. 6–166.
4. Groudev, P.P., et al., 2000. KNPP 440/V230 Transient's Plant data for RELAP5 Model Validation-Part of the Project “Safety Analysis Capability Improvement of KNPP in the Field of Thermal Hydraulic Analysis”. BOA 278065-A-R4, INRNE-BAS, Sofia, pp. 4–41.