000			00308 a2200109 4500
008			180801b xxu||||| |||| 00|
100			_a Postgate, John
245			_aNitrogen fixation: studies in biology ;no 92. / _c Postgate, John
260			_b Edward Arnold New Delhi. _c1978
300			_a120p.
942			_2ddc _cBK
999			_c6797 _d6797