01200cam a2200289 a 45000010008000000030008000080050017000160080041000330100017000740200016000910400027001070500022001340820016001561110104001722450242002762600053005183000033005713650017006044400053006215040041006746500036007156500027007516500042007787000021008207000034008417000035008751597760BD-DhUL20150108172034.0940712s1994    ne a     b    100 0 eng    a   94029944   a0792327810   aDLCcDLCdDLCdBD-DhUL00aQR89.7b.N67 199300a631.84bNOS2 aNorth American Conference on Symbiotic Nitrogen Fixationn(14th :d1993 :cUniversity of Minnesota)10aSymbiotic nitrogen fixation :bproceedings of the 14th North American Conference on Symbiotic Nitrogen Fixation, July 25-29, 1993, University of Minnesota, St. Paul, Minnesota, USA /cedited by P.H. Graham, M.J. Sadowsky, and C.P. Vance.  aDordrecht :bKluwer Academic Publishers,cc1994.  avi, 202 p. :bill. ;c27 cm.  aUS $b164.70 0aDevelopments in plant and soil sciences ;vv. 57  aIncludes bibliographical references.00aNitrogenxFixationxCongresses.00aRhizobiumxCongresses.00aNitrogen-fixing bacteriaxCongresses.1 aGraham, Peter H.1 aSadowsky, M. J.q(Michael J.)1 aVance, Carroll Phillip,d1945-