000 00404 a2200157 4500
082 _a575.5
_bPLA
090 _c20485
_d31755
245 _aThe plant
_bthe root
260 _aRome
_bFood And Agriculture Organization
_c1967
_g1967
300 _a[ii],30p.
_c21cm
440 _aBetter farming series 2
650 _aBiology
650 _aPopulation genetics
650 _aGenetics and evolution
942 _cL
999 _c48100
_d48100