statistics and emerging trends 2008 Sorensen, Neil, jt.ed. Weller, Helga, ed Yussefi-Menzler, Minou,Jt.ed. text xx London Earthscan 2008 9999 monographic und 267p. Helga Weller, Minou Yussefi-Menzler, Neil Sorensen eds. ORGANIC AGRICULTURE; DEVELOPMENT 631.584 W679W 9783037360149 NITIL 190329