15:32DiscoveryCzech Republic - The Story of SemtexBBC World Service Duration: 27 minutes Wed 18th Nov 2009, 15:32 on BBC World Service OnlineAvailable for over a yearListen nowThe story of Semtex, a Czech plastic explosive that took centre stage in the military struggle between East and West.GenresFactualScience & NatureFormatsDocumentariesBrandDiscovery Source: BBC Online