TY  - BOOK
AU  - Bateson,Gregory
TI  - Mind and nature: necessary unity 
SN  - 0525155902
AV  - BD161 B32 1979
PY  - 1979///
CY  - New York
PB  - Dutton
KW  - Knowledge, Theory of
N1  - Includes bibliographical references and index
ER  -