Observing pulsars and fast transients with LOFAR ‌ Stappers, BW, Hessels, JWT, Alexov, A, Anderson, K, Coenen, T, Hassall, T, Karastergiou, A, Kondratiev, VI, Kramer, M, Leeuwen, JV, Mol, JD, Noutsos, A, Romein, JW, Weltevrede, P, Fender, R, Wijers, RAMJ, Bähren, L, Bell, ME, Broderick, J, Daw, EJ, Dhillon, VS, Eislöffel, J, Falcke, H, Griessmeier, J, Law, C, Markoff, S, Miller-Jones, JCA, Scheers, B, Spreeuw, H, Swinbank, J, Veen, ST, Wise, MW, Wucknitz, O, Zarka, P, Anderson, J, Asgekar, A, Avruch, IM, Beck, R, Bennema, P, Bentum, MJ, Best, P, Bregman, J, Brentjens, M, Brink, RHVD, Broekema, PC, Brouw, WN, Brüggen, M, Bruyn, AGD, Butcher, HR, Ciardi, B, Conway, J, Dettmar, R-J, Duin, AV, Enst, JV, Garrett, M, Gerbers, M, Grit, T, Gunst, A, Haarlem, MPV, Hamaker, JP, Heald, G, Hoeft, M, Holties, H, Horneffer, A, Koopmans, LVE, Kuper, G, Loose, M, Maat, P, McKay-bukowski, D, McKean, JP, Miley, G, Morganti, R, Nijboer, R, Noordam, JE, Norden, M, Olofsson, H, Pandey-Pommier, M, Polatidis, A, Reich, W, Röttgering, H, Schoenmakers, A, Sluman, J, Smirnov, O, Steinmetz, M, Sterks, CGM, Tagger, M, Tang, Y, Vermeulen, R, Vermaas, N, Vogt, C, Vos, MD, Wijnholds, SJ, Yatawatta, S, Zensus, A