00354nam a2200109Ia 450000500170000000800410001702000150005805000170007324500720009026000630016265000190022520251229191202.0251229s9999    xx            000 0 und d  a194285019X  aS 605.5 .T66 0aTools for organic farmingb a manual of appropriate and treatments.  aNorth Americab Intermediate technology publicationsc1990  aMcrobie,George