TY  - BOOK
AU  - Brown,Lester R.
AU  - Kane,Hal
AU  - Ayres,Ed
TI  - Vital signs 1993: the trends that are shaping our future
SN  - 0393310248
AV  - SJMC HC60.E6B7 
PY  - 1993///
CY  - New York
PB  - W.W.Norton & Company
KW  - Environmental
KW  - Economic
KW  - Agriculrural
N1  - Include bibliographical references and index
ER  -