000			003280000a22001330004500
008			140223b1955 xxu||||| |||| 00| 0 eng d
041			_aENG
080			_aA J5;1
082			_aA J5;1
100			_aTHORNLEY (G.C.)
245			_aPower and progress. Illus.
260			_aLondon _bLongmans _c1955
650			_aSCIENTIFIC ESSAYS
999			_c222816 _d222816