00314nam a2200121 a 4500008004100000020001500041050001700056100001500073245004300088260003100131300002100162350000900183120416s0000    ||||||||||||||||| ||    u  a0076067475  aTJ 163.2 Ion  aIon, Dan C10aAvailability of world energy resources  aNew YorkbMGraw-Hillc1980  aix, 345p. : ill.  a0.00