Neukum, Gerhard; Hörz, Friedrich, 1940-; Morrison, Donald A.; Hartung, Jack B.
(Pergamon Press, 1973)
Approximately 10,000 microcraters were investigated using binocular microscope techniques on fifteen Apollo 16 rocks: "crystalline" rocks 60315, 60335, 61156, 62235, 62295, and 68415; "breccias" 60016, 61015, 61175, 66075, ...