Title: D'esprit, de sel et-- de roche : l'histoire d'une cimenterie /
Authors: Sartori, Gilbert.; Bedwani, Magdi.; Wichser, Fridolin.
Publisher: HCB Swisse,
Year: 1996
Subjects: Kano State History and Culture Bureau History.; Cement industries Switzerland Roche History.; Roche (Switzerland) History.