000 00458nam a22001697a 4500
003 OSt
005 20211110104400.0
008 211110b |||||||| |||| 00| 0 eng d
020 _a0 85199 417 2
040 _cHawassa university
050 _a633.3/PEA
082 _22nd edition
_a633.3/PEA
100 _aGiller ken e.
_917641
245 _aNitrogen fixation in tropical cropping systems
260 _aHarare zimbabwe
_bCABI
_c2001
942 _2ddc
_cBOOKS
_n0
999 _c17438
_d17438