00303nam a2200133Ia 4500008004100000020002200041082001100063082001000074100001300084245003300097260001200130260001800142260000900160230118s9999||||xx |||||||||||||| ||und||  a978-93-80663-87-6  a530.11  bPAL/S  am.kbpal 0aspecial theory of relativity  akolkata  blevent books   c2013