na NADAR-06090000017803 20090604094818.0 170309||||||||| | ||| |||| ||ind|| JBUNIPB 0010-060900000017803 536 536 SEA m Sears, Francis Weston Mechanics, heat, and sound Francis Weston Sears 2nd.ed Massachusetts Addison-Wesley Pub 1950 x, 571 hlm il 21 cm Physics Heat P 23-07-2001 9 ST963891 SM980980 SM981079 10918021 SM981015 SM980976 SM981078 SM980979 ST2000213 SM984834