TY  - BOOK
AU  - Widdowson,R.W.
TI  - Towards holistic agriculture: a scientific approach 
SN  - 0080342116 :
AV  - S605.5 .W63 1987
U1  - 630 19
PY  - 1987///
CY  - Oxford [Oxfordshire], New York
PB  - Pergamon Press
KW  - Organic farming
KW  - Agriculture
KW  - Agricultural ecology
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy0602/87002314-d.html
ER  -