DIRECT DATING OF FOSSILS BY THE HELIUM-URANIUM METHOD (SM-87/60).SCHAEFFER OA.1967; RADIOACTIVE.DATING.METHODS.LOW-LEVEL.COUNTING.SYMP.IAEA.MONACO.; 1967(3), P. 395 A 402Miscellaneous

DIRECT DATING OF FOSSILS BY THE HELIUM URANIUM METHOD.SCHAEFFER OA.sdIN : INT. AT. ENERGY AGENCY. SYMP. RADIOACTIVE DATING METHODS LOW-LEVEL COUNTING HELD BY INT. AT. ENERGY AGENCY, MONACO.; , P. 1 A 13Miscellaneous

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LUNAR VOLCANISM : AGE OF THE GLASS IN THE APOLLO 17 ORANGE SOILHUSAIN L; SCHAEFFER OA.1973; SCIENCE; U.S.A. ; 1973, VOL. 180, NUM. 4093, P. 1358 A 1360Serial Issue

POTASSIUM ARGON DATING.SCHAEFFER OA; ZAEHRINGER J.1966; SPRINGER.VERLAG.BERLIN.; 1966, P. 1 A 234Miscellaneous

³⁷AN AND ³⁹AR IN METEORITES AND THE SPATIAL COSMIC RAY GRADIENT.HEUSSER G; SCHAEFFER OA.1977; EARTH PLANET. SCI. LETTERS; NETHERL.; DA. 1977; VOL. 33; NO 3; PP. 420-427; BIBL. 29 REF.; 5 ILL.; 27 ANAL.Article

TOTAL NITROGEN CONTENT OF DEEP SEA BASALTS = TENEUR EN AZOTE TOTAL DANS LES BASALTES DE MER PROFONDENORRIS TL; SCHAEFFER OA.1982; GEOCHIM. COSMOCHIM. ACTA; ISSN 0016-7037; GBR; DA. 1982; VOL. 46; NO 3; PP. 371-379; BIBL. 52 REF.Article

²⁶AL IN IRON METEORITES AND THE CONSTANCY OF COSMIC RAY INTENSITY IN THE PASTHAMPEL W; SCHAEFFER OA.1979; EARTH PLANET. SCI. LETTERS; NLD; DA. 1979; VOL. 42; NO 3; PP. 348-358; BIBL. 39 REF.; 3 ILL.Article

³HE/⁴HE RATIOS IN THE LOWER RADIATION BELT AS MEASURED BY TRAPPED PARTICLES IN A RECOVERED SATELLITE.WARASILA RL; SCHAEFFER OA.1975; GEOPHYS. RES. LETTERS; U.S.A.; DA. 1975; VOL. 2; NO 11; PP. 480-482; BIBL. 28 REF.Article

CHRONOLOGY OF LUNAR BASIN FORMATION.SCHAEFFER OA; HUSAIN L.sdGEOCHIM. COSMOCHIM. ACTA; G.B.; (PROC. 5. LUNAR SCI. CONF.; HOUSTON; 1974),1974, P. 1541 A 1555Miscellaneous

METEORITIC EVIDENCE FOR THE MAUNDER MINIMUM IN SOLAR ACTIVITY.FORMAN MA; SCHAEFFER OA; SCHAEFFER GA et al.1978; GEOPHYS. RES. LETTERS; U.S.A.; DA. 1978; VOL. 5; NO 3; PP. 219-222; BIBL. 11 REF.; 2 ILL.Article

METEORITIC EVIDENCE FOR THE MAUNDER MINIMUM IN SOLAR ACTIVITY.FORMAN MA; SCHAEFFER OA; SCHAEFFER GA et al.1978; GEOPHYS. RES. LETTERS; USA; DA. 1978; VOL. 5; NO 3; PP. 219-222; BIBL. 11 REF.Article

THE DURATION OF VOLCANISM IN MARE SERENITATIS.SCHAEFFER OA; HUSAIN L; SCHAEFFER GA et al.1976; EARTH PLANET. SCI. LETTERS; NETHERL.; DA. 1976; VOL. 31; NO 3; PP. 358-368; BIBL. 21 REF.; 3 ILL.; 150 ANAL.Article

AGE OF A LUNAR ANORTHOSITE.HUSAIN L; SCHAEFFER OA; SUTTER JF et al.1972; SCIENCE; 1972, VOL. 175, NUM. 4020, P. 428 A 430Miscellaneous

AR/39AR AGES FROM FRA MAURO.SUTTER JF; HUSAIN L; SCHAEFFER OA et al.1971; EARTH PLANET. SCI. LETTERS; NLD; 1971(7), VOL. 11, NUM. 0004, P. 249 A 253Miscellaneous

AGE OF A LUNAR ANORTHOSITE.HUSAIN L; SCHAEFFER OA; SUTTER JF et al.1972; SCIENCE; 1972, VOL. 175, NUM. 4020, P. 428 A 430Miscellaneous

AR/³⁹AR AGES OF APOLLO14 SAMPLESSUTTER JF; HUSAIN L; SCHAEFFER OA et al.1971; GEOL. SOC. AMER., ABSTR. PROGRAMS; U.S.A. ; 1971, VOL. 3, NUM. 0007, P. 726Serial Issue

POTASSIUM-ARGON AGES OF LUNAR ROCKS FROM MARE TRANQUILLITATIS AND OCEANUS PROCELLARUM.SCHAEFFER OA; FUNKHOUSER JG; BOGARD DD et al.1970; SCIENCE; USA; 1970(10), VOL. 170, NUM. 3954, P. 161 A 162Miscellaneous

SPACE EROSION OF METEORITES AND THE SECULAR VARIATION OF COSMIC RAYS (OVER 10⁹ YEARS) = EROSION DANS L'ESPACE DES METEORITES ET VARIATION SECULAIRE DES RAYONS COSMIQUES, AU-DELA DE 10⁹ ANNEESSCHAEFFER OA; NAGEL K; FECHTIG H et al.1981; PLANET. SPACE SCI.; ISSN 0032-0633; GBR; DA. 1981; VOL. 29; NO 10; PP. 1109-1118; BIBL. 28 REF.; ILL./TABL.Article

GAS ANALYSIS OF THE LUNAR SURFACE.FUNKHOUSER JG; SCHAEFFER OA; BOGARD DD et al.1970; SCIENCE; USA; 1970(1), VOL. 167, NUM. 3918, P. 561 A 563Miscellaneous

LIMITED RESPONSE OF THE K-AR SYSTEM TO THE NORDLINGER RIES GIANT METEORITE IMPACT.JESSBERGER EK; STAUDACHER T; DOMINIK B et al.1978; NATURE; G.B.; DA. 1978; VOL. 271; NO 5643; PP. 338-339; BIBL. 15 REF.Article

AN EVALUATION OF THE URANIUM-HELIUM METHOD OF DATING OF FOSSIL BONES.TUREKIAN KK; KHARKAR DP; FUNKHOUSER J et al.1970; EARTH PLANET. SCI. LETTERS; NLD; 1970(2), VOL. 7, NUM. 0005, P. 420 A 424Miscellaneous

GAS ANALYSIS OF THE LUNAR SURFACE.FUNKHOUSER JG; SCHAEFFER OA; BOGARD DD et al.1970; SCIENCE; USA; 1970(1), VOL. 167, NUM. 3918, P. 561 A 563Miscellaneous