This is an File of correspondence, expenses etc. relating to the building of SIST.
- Lettres de 1987 : P. de BOER (22.01, 10.08, 28.09), P.UZUKWU (11.06, 14, 29.08, 16.09, 09.10, 15.12), P. SIGRIST (03.11).
- 1988 : P. UZUKWU (12.01, 18.02, 15.04, 05.05, 01.06, 18.06 rapport de réunion sur la construction du SIST, 28.06, 19, 21, 23.09, 18.10, 14, 15.11, 2 du 20.12), P. de BOER (02.01, 09.03 + budget 1988-1989, 25.08, 23.10, 29.12), M. AKUNYILI (26.09), Ets SITADEL (14.10), M. HOEVEN (AMA 27.10).
- 1989 : P. UZUKWU (20, 21.04, 10, 15.05 + rapport détaillé de l'emploi des fonds d'Uniwork, 06.06 + factures, 25.06, 21.07, 31.10, 16.12 + rapports), P. de BOER (03.05).
- 1990 : P. UZUKWU (30.06) .
- 1991 : P. UZUKWU (13.06, 26.08, 13.09), P. de BOER (04.07).