000 00323nam a2200133Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631.5
100 _aJ.H. Martin
245 0 _aPrinciples of Feild crop production
260 _aLondon
_bThe Macmillan Company
_c1967
300 _a1044p.
942 _cSR
999 _c80394
_d80394