TY  - BOOK
AU  - Laing,David
TI  - The earth system: an introduction to earth science 
SN  - 069707952X
AV  - QE 28 .L35 1991
PY  - 1991///
CY  - Dubuque, IA
PB  - Wm. C. Brown Publishers
KW  - Earth sciences
N1  - Includes bibliographical references (p. 567-568) and index
ER  -