TY - BOOK AU - Twidell, John AU - Weir,Tony TI - Renewable enegy resources SN - 0-419-25330-0 U1 - 621.042 PY - 2007/// CY - London PB - Taylor and Francis KW - Geo thermal energy KW - Mechanical engineering KW - Renewable energy source N1 - Includes index; Ahuja book ER -