Authors:
Billo, M
Frau, M
Fre, P
Lerda, A
Pesando, I
Sciuto, S
Citation: M. Billo et al., Lectures from the Graduate School on Contemporary String Theory and Brane Physics, Turin, 26 January-2 February 2000 - Preface, CLASS QUANT, 17(17), 2000, pp. NIL_3-NIL_3