TY - BOOK AU - Armstead,H.Christopher H. AU - Tester,Jefferson W. TI - Heat mining: a new source of energy SN - 0419122303 : U1 - 333.79/2 PY - 1986/// CY - London PB - E. & N.F. Spon KW - Energy minerals KW - Heat engineering KW - Earth temperature ER -