000 00492nam a2200193 4500
001 35128/82
005 20130515014718.0
008 111112s9999 xx 000 0 und d
020 _a92-3-101063-8
082 0 0 _a621. 44 arm
100 1 _a"armstead, h c. "
245 1 0 _ageothermal energy:
_b/
_c h.c. armstead
250 _a1 ed.
260 _afrance :
_bunesco
_c1973.
300 _a", 186p.;
_c27 cm."
490 0 _aearth sciences 12
504 _aincludes bibliography
650 0 _a
_x
999 _c25778
_d25778