00367nam a22001337a 450000500170000000800410001702000080005804100080006608200190007410000250009324500570011826000480017530000100022320260721163221.0260721b        |||||||| |||| 00| 0 eng d  a000  aeng  a329.097bDUT/C  aDutton, Frederick G.  aChanging Sources of Powerc/ by  Frederick G. Dutton  aNew York:bMcgraw-Hill Book Company;c1971.  a263p.