000			00433nas a22001691a 4500
003			USJPLib
008			140924b xxu||||| |||| 00| 0 eng d
020			_a112405088
041			_aEng.
082			_a634.653 _bPEA
245			_aPears _h[Text] _cPears
260			_bHMSO _aLondon _c1973
300			_aiv, 71 p. _bill., plates _c24 cm.
440			_aMinistry's bulletin No. 208 _970105
650			_aAgriculture _91173
942			_2ddc _cLM
999			_c55757 _d55757