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[2] C. W. Sheppard: Basic Principles of the Tracer Method. Introduction to Mathematical Tracer Kinetics. J. Wiley & Son, N. York, London 1962. MR 0130014

[3] E. Kindler: COSMO (Compartmental System Modelling). Description of a Programming System. Simulation Programming Languages, Proceedings of the IFIP Working Conference on Simulation Programming Languages (editor J. N. Buxton). North-Holland Publishing Comp., Amsterdam 1968, 402-424.

[4] Automatic Computer ODRA 1013 - General description (in Czech). Kancelářské stroje, n.p., Hradec Králové, 1966.

[5] V. Černý J. Půr: Programmer's Manual on Automatic Computer ODRA 1013 (in Czech). Kancelářské stroje, n.p., Hradec Králové, 1967.

[6] O. J. Dahl K. Nygaard: Class and Subclass Declarations. Simulation Programming Languages, Proceedings of the IFIP Working Conference on Simulation Programming Languages (editor J. N. Buxton). North-Holland Publishing Comp., Amsterdam 1968, 158-171.

[7] O. J. Dahl K. Nygaard: SIMULA 67 Common Base Definition. Norvegian Computing Center, Oslo 1967.