00248nam a2200097Ia 4500080001900000245004400019260003800063300001900101583001900120650001100139  a08.11.01 E5611  aEnergy : the next twenty years : report  bBallinger Pub.aCambridgeUSc1979  axxviii, 628 p.  c10/14/05kJOYD  aENERGY