00270nam a2200109Ia 450000500170000008000170001710000170003424500440005126000320009530000140012758300190014120260716043620.0  a16.02.02 I61  aHäfele, W.  aModelling of large-scale energy systems  bPergamon P.aOxfordGBc1981  ax, 461 p.  c10/14/05kJOYD