TY  - GEN
AU  - Silver, Cheryl Simon
AU  - De Fries, Ruth S
TI  - One earth, one future: our changing global environment
SN  - 0309046327
U1  - 363.7 
PY  - 1990///
CY  - Washington
PB  - National Academy Press
KW  - SOCIAL PROBLEMS
ER  -