TY  - BOOK
ED  - National Academy of Sciences (Estados Unidos)
ED  - Estados Unidos.
ED  - National Academy of Engineering (Estados Unidos)
ED  - National Science Foundation (Estados Unidos)
TI  - National materials policy: Proceedings of a joint meeting of the national academy of sciences-national academy of engineering october 25-26, 1973, washington, d. c
SN  - 0309022479
AV  - HC110.E5 N3 1975
PY  - 1975///
CY  - Washington, D.C.
PB  - National Academy of Sciences
KW  - Recursos naturales
KW  - Estados Unidos
KW  - Congresos
KW  - Politica ambiental
N1  - Auspiciado por the national science foundation and the u. s. bureau of mines
ER  -