000 00368 a2200145 4500
080 _a631.847.21(02)
_bT 226
245 1 _aTechnical handbook on symbiotic nitrogen fixation
260 _aRome
_bFood and Agriculture Organization
_c1993
650 _aNitrogen Fixation
650 _aFAO
650 _aRhizobium
100 _a
_d
300 _a10/10 p.
901 _a218098
999 _c82535
_d82535