1. The Munich Project CIP, Volume I: The Wide Spectrum Language CIP-L;Bauer,1985
2. Formal program construction by transformations—computer-aided, intuition-guided programming;Bauer;IEEE Trans. Software Engrg.,1989
3. A transformational development of several algorithms for testing the existence of cycles in a directed graph;Berghammer,1986
4. Lectures on constructive functional programming;Bird,1989
5. A transformation system for developing recursive programs;Burstall;J. ACM,1977