1. See for example Joseph H. Kennan "Thermodynamics " MIT Press 1970 page 19. See for example Joseph H. Kennan "Thermodynamics " MIT Press 1970 page 19.
2. M. H. Halstead "A Laboratory Manual for Operating System and Compiler Implementation " Mimeographed In press. M. H. Halstead "A Laboratory Manual for Operating System and Compiler Implementation " Mimeographed In press.
3. M. H. Halstead "Machine Independent Computer Programming " Spartan Books Washington D. C. 1962. M. H. Halstead "Machine Independent Computer Programming " Spartan Books Washington D. C. 1962.
4. Robert Noonan "Programming with a Dynamic Algebra " Ph.D Thesis Purdue 1971. Robert Noonan "Programming with a Dynamic Algebra " Ph.D Thesis Purdue 1971.