TY - GEN AU - Preissl, B. AU - Haucap, J. AU - Curwen, P. AU - van Eijk, N. PY - 0624 DA - 2009-06-24 T1 - Search Engines, the New bottleneck for Content Access UR - http://www.ivir.nl/publicaties/download/telecommunication_markets.pdf K1 - Telecommunicatierecht ER -