000			00654nam a22002177a 4500
003			OSt
008			220903b |||||||| |||| 00| 0 eng d
020			_a0023767200
082			_a633 _bM39P
100			_aMartin, John H.
245			_aPrinciples of field crop production/by John H. Martin, Warren H. Leonard and David L. Stamp
250			_a3rd.ed.
260			_aNew York: _bMacmillan Publishing Co. _c1976.
300			_axi, 1118 p.
650			_aAgriculture and related technologies
650			_aTechnology (Applied sciences)
650			_aField crops
700			_aLeonard, Warren H.
700			_aStamp, David L.
942			_2ddc _cSW
999			_c25193 _d25193