TY - BOOK AU - Buttazzo Giuseppe AU - Pratelli Aldo AU - Solimini Sergio AU - Stepanov Eugene TI - Optimal urban networks via mass transportation SN - 978-3-540-85798-3 U1 - 000SB:388 PY - 2009/// CY - Berlin PB - Springer-Verlag KW - Mathematical optimization KW - Transportation-mathematical models ER -