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