00329nam a2200109Ia 4500008004100000082003300041245005200074260002600126300000900152490002500161650003300186130903s9999    xx            000 0 und d  aTR 581.138.1:577.3(047)   M2  aThe energetics of biological nitrogen fixation.  aNavy LandbASPPc1982  a30p.  aWorkshop summaries-1  aBiological nitrogen fixation