000 00531nam a2200193Ia 4500
008 130910s9999 xx 000 0 und d
041 _aeng
082 _221st ed.
_a333.79
_bCLA/N
100 _aClark , Peter
245 _aNatural energy workbook
_cby Peter Clark and Judy Landfield
260 _aCalifornia :
_bVisual Purple ,
_c1976
300 _a126p ;
_c18cm
365 _bUSD 3.95
504 _aIndex: pp 127-28
653 _aEnergy conservation
653 _aPower resources
700 _aLandfield , Judy
942 _cEN
_2ddc
999 _c19871
_d19871