THURSDAY National Technical University of Athens hosts the second international conference on «Construction in the 21st Century: Advancing Engineering, Management and Technology,» at the Divani Caravel Hotel. To Saturday. Tel. 210.772.1268 or log on to www.ntua.gr. Piraeus Bar Association stages a 48-hour strike demanding more staff. To tomorrow. Bus drivers stage a work stoppage from 11 a.m. until 4 p.m. demanding a collective labor agreement. Union of Municipalities and Communities of Greece (KEDKE) in cooperation with the Municipality of Patras host a two-day conference on «Road Transport of Achaia Prefecture,» starting at 5 p.m. at the University of Patras. To tomorrow. Tel. 210.389.9600 or log on to www.kedke.gr. FRIDAY The 34th Book Festival begins on the Dionysiou Areopagitou pedestrian walkway. To October 2. Exergia energy and environment consultants hold a conference on «Biofuels,» starting at 9 a.m. at the Athens Imperial Hotel. Tel. 210.699.6185 or log on to www.exergia.gr. European Society of Computational Methods in Sciences and Engineering holds a conference on «Numerical Analysis and Applied Mathematics ICNAAM 2005,» at the Esperides Hotel, Rhodes. To Tuesday. Tel. 2710.237397. SATURDAY Ninth congress of the European Federation of Neurological Societies takes place at the Athens International Conference Center, Vas. Sofias Ave & Kokkali. To Tuesday. For details, log on to www.kenes.com/efns2005/. EADS Military Aircraft and Eurofighter host a charity event for the Paremvasi Alternate Community, at the Tanagra air base as part of the «Archangel 2005» air show. Tel. 210.330.4553. SUNDAY Institute of Electrical and Electronics Engineers (IEEE) holds the 14th IEEE workshop on «Local and Metropolitan Area Networks,» at the Great Shipyard, Old Harbor, in Hania, Crete. To Wednesday. For details, log on to www.ieee-lanman.org/. Communist Party President Aleka Papariga to speak at the 31st Festival of the Communist Youth of Greece (KNE), at the University Campus in Zografou.