Vol. 12 Num. 3 (1992) Alistair McIntosh , Barbara J. Reys , Robert E. Reys A proposed framework for examining basic number sense2 Roland Fischer The human factor in pure and in applied mathematics. Systems everywhere: their impact on mathematics education9 Zalman Usiskin Glimpses of ICME-7: Thoughts of an ICME regular19 Dale L. Brekke Glimpses of ICME-7: Encouragements and disturbances20 Anneli Lax Glimpses of ICME-7: A brief note on errors21 Leo Rogers Glimpses of ICME-7: Then and now22 Betty Johnston Glimpses of ICME-7: Walled cities23 Charalampos Toumasis Controlling mathematics classrooms: a case study25 Celia Hoyles Mathematics teaching and mathematics teachers: a meta-case study32 Claudine Blanchard-Laville Applications of psychoanalysis to the in-service training of mathematics teachers45