청구기호 |
HD9502 .C466 m |
형태사항 |
ix, 238 p. : ill. ; 24 cm.
|
언어 |
English |
서지주기 |
Includes bibliographies references and index.
|
주제 |
Mineral industries --Energy conservation.
Power resources.
Metals --Conservation.
Energy conservation.
|
ISBN |
0408108010
0408108029 (pbk.)
|