00470nam a2200121Ia 4500008004100000082001600041245011600057260002700173700001900200942000700219999001700226952010500243220204s9999    xx            000 0 und d  a662.65bGRE 0aFuture coal supply for the world energy balance: Third IIASA conference on energy resources, Nov 28-Dec 2, 1977  aOxfordbPergamonc1979  aGrenon, Michel  cBK  c34847d34847  00104070aMAINbMAINd2021-12-16g90.00l0o662.65 GREp15274r2021-12-16 00:00:00w2022-02-14yBK