TY  - BOOK
AU  - WHITMORE, T. C. Y OTRO
TI  - RESOURCES FOR THE TWENTY-FIRST CENTURY
T2  - 0
U1  - 550 
PY  - 1979///
CY  - U.S.A.
PB  - UNITED STATES GOVERMENT
KW  - CIENCIAS PURAS
ER  -