00401 a2200157 4500 9780863158483 631.584 PFE 31334 55242 Pfeiffer, Ehrenfried Pfeiffer's introduction to biodynamics Edinburgh Floris Books 2011 2011 87p. 20cm Bio dynamic farming Organic farming SR 57839 57839 0 0 0 0 SRC MKDL MKDL REF 2015-09-29 0 631.584PFE 68428 2015-09-29 00:00:00 0.00 2016-10-31 SR 0 0 0 0 LEN MKDL MKDL LEN 2015-09-29 0 631.584PFE 68429 2015-09-29 00:00:00 0.00 2016-10-31 L