00600nam a2200193Ia 4500003000900000008004100009040001600050080001400066100002500080245008500105260003300190300001000223500002600233650001900259650001600278942000700294999001500301952009000316IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a53bPER-2  aPerelman, Ya.913006 0aPhysics for entertainmentbvol. 2cPerelman Ya.; translated by Arthur Shkarovsky  aMoscowbMIR Publishersc1975  a330p.  aDonated by Mrs. Bappu  aNASA Thesaurus  aPhysics973  cBK  c7688d7688  00104070aBANbBANcGENd1983-07-26l0o53/ PER-2p8502r2021-11-05w1983-07-26yBK