00486nam a2200193Ia 4500008004100000041001200041082001000053082001100063100001900074100001100093245007900104260001300183260001700196260000900213300001500222365002500237650001300262650001700275150909s9999    xx            000 0 und d  aEnglish  a589.9  bDOB/LI  aDobereiner J    eEditor  aLimitations and potentials for biological nitrogen fixation in the tropics  aNew York  bPlenum Press  c1978  a398  Pages  aUSD.39.50             aBacteria  aBacteriology