00416nam a2200145Ia 4500020001500000082001900015100002100034245003900055260003600094300001400130490007900144490003700223500000500260700000500265  a3211816127  a518.1bL856.MU  aLongo, G. d ed.  aMulti-user communication systemsb  aNew YorkbSpringer-Verlagc1981  aiv, 258p.  aInternational Centre for Mechnical Sciences courses and lecturesv no. 265  aCISM courses and lectures v 265  a  a