000 nam a22 7a 4500
999 _c810
_d810
003 OSt
005 20180630161952.0
008 180630b xxu||||| |||| 00| 0 eng d
020 _a0070840873
082 _a589
_bSPR
100 _aSprent, Janet I.
245 _aThe biology of nitrogen-fixing organisms /
_cby Janet I Sprent.
260 _aLondon :
_bMcGraw-Hill ;
_c1979.
300 _a196 p.,
_c22 cm.
942 _2ddc
_cBK