00345nam a22001337a 450000500170000000800410001702000080005804100080006608200150007410000180008924500590010726000350016630000100020120260727122813.0260727b        |||||||| |||| 00| 0 eng d  a000  aeng  a330bSPO/T  aSporn, Philip  aTechnology, Engineering and Economicc/by Philip Sporn  aLondon:bThe Mit Press;c1969.  a148p.