1. and , ‘Searching for structures’, Institute for Social Research, Ann Arbor, University of Michigan.
2. , and , Classification and Regression Trees, Wadsworth, Belmont, California, 1984.
3. , and , ‘Recursive partition: a versatile method for exploratory data analysis in biostatistics’, in I. B. McNeil and G. J. Umphrey (eds), ‘Feistschrift in honor of Professor Joshi’, Biostatistics, 5, 23–50 (1987).
4. RECPAM: a computer program for recursive partition and amalgamation for censored survival data and other situations frequently occurring in biostatistics. I. Methods and program features
5. Regression and recursive partition strategies in the analysis of medical survival data