00324    a2200121   4500020001800000082001700018100002500035245004300060260004000103300001500143650002400158650002000182  a9780863158483  a631.584bPFE  aPfeiffer, Ehrenfried  aPfeiffer's introduction to biodynamics  aEdinburghbFloris Booksc2011g2011  a87p.c20cm  aBio dynamic farming  aOrganic farming