000 00402nam a22001577a 4500
005 20240920105527.0
008 240920b |||||||| |||| 00| 0 eng d
020 _a027308481X
041 _aeng
082 _a631.558
_bHUR/O
100 _aHurd, R G
245 _aOpportunities for increasing crop yields
_c/ edited by R G Hurd
260 _aLondon:
_bPitman,
_c1980.
300 _a410p.
942 _cBK
999 _c30690
_d30690