00419     2200169   4500001002100000035002000021245004600041100001900087260003600106300002700142020001800169084001500187082001500202650001100217650001300228990000800241INLIS000000000005298  a0010-1021000132  aA time to choose: America's energy future  aBallinger Pub.  aCambridgebBallinger Pub.c1974  cxii,511p.: ills; 23 cm  a0-88410-023-5  a620.91(73)  a620.91(73)  aENERGI  aAMERIKA.  a478