TY  - BOOK
AU  - Ansted, David Thomas
TI  - Geology, introductory, descriptive and practical
U1  - 551 21st ed.
PY  - 0000///n.d
CY  - London : 
PB  - John Van Voorst , 
KW  - Geology
N1  - Content: v.2; Index: pp 541-72
ER  -