000 00362nam a2200145Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
020 _a70840873
041 _aen
082 _a574.133
100 _aSPRENT, Janet I.
245 4 _aThe biology of nitrogen-Fixing organisms
260 _aLondon
_bMcGraw-Hill book company
_c1979
300 _a196p.
942 _cSR
999 _c82411
_d82411