机读格式显示(MARC)
- 000 00603cam 2200241 a 4500
- 008 060921s1985 ohua 00110 eng
- 099 __ |a CAL 022000198371
- 245 10 |a Earth science activities
- 260 __ |a USA : |b Heath and Company, |c c1981.
- 300 __ |a xiv,177 p. : |b ill. (some col.) ; |c 26 cm.
- 500 __ |a Includes index.
- 650 _0 |a Earth sciences.
- 920 __ |a 211010 |b P-42 |c T172.4 |z 1