TY  - BOOK
AU  - Wilhelms,Don E.
ED  - United States
TI  - Summary of lunar stratigraphy: telescopic observations 
U1  - 523.3 
PY  - 1970///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Lunar stratigraphy
KW  - Lunar geology
KW  - Moon
KW  - Surface
KW  - Space flight to the moon
N1  - Prepared on behalf of the National Aeronautics and Space Administration; Includes bibliographical references (p. F45-F47)
ER  -