TY  - BOOK
AU  - DONOVAN, D.T.
TI  - STRATIGRAPLY AN INTRODUCTION TO PRINCIPLES
T2  - 0
U1  - 551.7 
PY  - 1966///
CY  - NEW YORK-U.S.A.
PB  - WILEY-INTERSCIENCIE
KW  - CIENCIAS PURAS
N1  - ESTABLISHING-RADIOMETRIC/VARIATION-CLASSIFICATION
ER  -