000			003160000a22001330004500
008			140223b1955 xxu||||| |||| 00| 0 eng d
041			_aENG
080			_aJ:1:C6 J5
082			_aJ:1:C6 J5
100			_aCOOMBES (R H)
245			_aSoil warming by electricity
260			_aCassell _bLondon _c1955
650			_aSOIL
999			_c99936 _d99936