00840nam0-22003131i-450-99000105549040332120100519152924.00-04-521001-2000105549FED01000105549(Aleph)000105549FED0100010554920001205d1969----km-y0itay50------baeng<<The >>abc of relativityBertrand Russelledited by Felix Pirani3rd rev. ed.LondonAllen & Unwin1969RelativitàGravità530.11Russell,Bertrand<1872-1970>7043Pirani,FelixITUNINARICAUNIMARCBK99000105549040332123-0627652FI1FI1ABC of relativity16782UNINA