00446pam a2200133 a 4500020001500000082001600015100002100031245002600052260004300078300002100121520012800142650002900270650001300299  a156006118900a333.794 KEE1 aKeeler, Barbara.10aEnergy alternatives /  aSan Diego, CA :bLucent Books,cc1990.  a112 p. :bill. ;  aDiscusses the present energy crisis, types of fuels now in use, alternative energy sources, and the conservation of energy. 0aRenewable energy sources 1a energy