00845nam0-22003131i-450-9900010546104033210-8053-6967-8000105461FED01000105461(Aleph)000105461FED0100010546120000920d1985----km-y0itay50------baengGrand Unified TheoriesGraham G. RossMenlo Park [etc.]Benjamin/Cummings1985Frontiers in physics60Particelle elementariRaggi cosmiciAcceleratori539.72539.73Ross,Graham G.50260ITUNINARICAUNIMARCBK99000105461040332133-29713720FI1FI1Grand Unified Theories340793UNINAING01