00430nam a2200157Ia 4500008004100000082001700041100001600058245002400074260004800098300000800146650004100154650003400195653001600229653001100245700001600256170901s1969 xx 000 0 und d a630.81bG36A aGill, N. T. 0aAgricultural Botany aLondonbGerald Duckworth and Co. Ltd.c1969 a637 aAgriculture and related technologies aTechnology (Applied sciences) aAgriculture aBotany aVear, K. C.