1. and , Software Tools, Addison-Wesley Publishing Company, Reading Mass.
2. and , RATMAC: A Structured FORTRAN Programming Language, Technical Report No. 675, Computer Science Center of the University of Maryland, 1978.
3. and , XTAL System of Crystallographic Programs—Guidelines for Authors, Technical Report No. 700, Computer Science Center of the University of Maryland, 1978.
4. MOUSE4: An improved implementation of the RATFOR preprocessor