0. DOCID:21531 1969 "Lunar Rivers or Coalesced Chain Craters?" 0.0230045081360454
1. DOCID:21817 1970 "Lunar Regolith at Tranquillity Base" 0.0217076049880765
2. DOCID:21280 1968 "Mummy Cave: Prehistoric Record from Rocky Mountains of Wyoming" 0.0197185483536247
3. DOCID:21417 1968 "Shatter Cones at Sierra Madera, Texas" 0.0166608785791267
4. DOCID:20864 1966 "Glaciated Appalachian Plateau: Till Shadows on Hills" 0.0152471759974334
5. DOCID:21322 1968 "Block Faulting on the Gorda Rise" 0.0146657429565407
6. DOCID:21053 1967 "Surveyor V: Television Pictures" 0.0132311795114008
7. DOCID:22289 1972 "Relic Pleistocene Permafrost, Western Arctic, Canada" 0.0129082226601439
8. DOCID:20870 1966 "Manganese Pavements on the Blake Plateau" 0.0125531631838555
9. DOCID:21910 1970 "Caldera Collapse in the Galapagos Islands, 1968" 0.0123327914546647
10. DOCID:21969 1970 "$\alpha $$_{1}$-Antitrypsin Deficiency" 0.0122079974874699
11. DOCID:22168 1971 "Endogenetic Craters Interpreted from Crater Counts on the Inner Wall of Copernicus" 0.0115795259179183
12. DOCID:22316 1972 "Petrified Peat from a Paleocene Lignite in North Dakota" 0.0113541949959029
13. DOCID:21650 1969 "Lunar Surface Material: Spacecraft Measurements of Density and Strength" 0.0111346303724956
14. DOCID:21056 1967 "Drilling on Midway Atoll, Hawaii" 0.0109454861641352