1. Age of craters of Mars;Anders;Science,1965
2. The system of lunar craters, quadrant I;Arthur;Commun. Lunar Planet. Lab.,1963
3. The system of lunar craters, quadrant II;Arthur;Commun. Lunar Planet. Lab.,1964
4. The system of lunar craters, quadrant III;Arthur;Commun. Lunar Planet Lab.,1965
5. The system of lunar craters, quadrant IV;Arthur;Commun Lunar Planet. Lab.,1966