Philosophical reflections on the foundations of mathematics Jocelyne CoutureJoachim Lambek OriginalPaper 01 March 1991 Pages: 187 - 209
Mathematical statistics and metastatistical analysis Andrés Rivadulla OriginalPaper 01 March 1991 Pages: 211 - 236
Explanation and the theory of questions Charles B. Cross OriginalPaper 01 March 1991 Pages: 237 - 260