000 00247 a2200109 4500
082 _a630.7
_bFOP
245 _aThe plant
_b: the root
260 _aRome:
_bFAO,
_c1972.
300 _a30p
650 _aAgriculture-Study and teaching
_9108056
942 _cBK
999 _c6691
_d6691