00367nam a2200157Ia 4500008004100000020000900041035001000050082002200060100003400082245002700116250000600143260003700149300000800186500000900194650000600203210723s9999||||xx |||||||||||||| ||und||  aNULL  a24434  a530.11BGUP / PRA  aGupta, B. D. / Prakash, Satya 0aRelativistic Mechanics  a-  aMeerutbPragati Books Pvt . Ltd.  a236  a4455  a-