TY  - BOOK
AU  - MATHER, KIRTLEY F.
AU  - THIESMEYER, LINCOLN R.
TI  - PHYSICAL GEOLOGY: A LABORATORY FOR GEOLOGU - PART I
U1  - 551.028 
PY  - 1950///
CY  - Estados Unidos
PB  - APPLETON-CENTURY-CROFTS
ER  -