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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

EFFECT OF OCEAN DUMPING ON ¹³C/¹²C RATIOS IN MARINE SEDIMENTS FROM THE NEW YORK BIGHTBURNETT WC; SCHAEFFER OA.1980; ESTUAR. COAST. MAR. SCI.; ISSN 0302-3524; GBR; DA. 1980; VOL. 11; NO 6; PP. 605-611; BIBL. 14 REF.Article

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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

COSMIC RAY INTENSITY OVER LONG TIME SCALESFORMAN MA; SCHAEFFER OA.1979; REV. GEOPHYS. SPACE PHYS.; USA; DA. 1979; VOL. 17; NO 4; PP. 552-560; BIBL. 4 P.Article

A NEW APPROACH TO DECIPHER THE ORIGIN OF THE CARBONACEOUS CHONDRITE FISSION KRYPTON AND XENON.MUELLER HW; SCHAEFFER OA.1978; EARTH PLANET. SCI. LETTERS; NETHERL.; DA. 1978; VOL. 39; NO 3; PP. 358-362; BIBL. 21 REF.; 2 ILL.Article

TRAPPED SOLAR WIND HE, NE, AND AR ENERGETIC HE IN SURVEYOR 3.WARASILA RL; SCHAEFFER OA.1974; EARTH PLANET. SCI. LETTERS; NETHERL.; DA. 1974; VOL. 24; NO 1; PP. 71-77; BIBL. 12 REF.Article

AGES OF APOLLO 16 LUNAR SAMPLES.SCHAEFFER OA; HUSAIN L.1972; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1972, VOL. 4, NUM. 0007, P. 654 A 655Serial Issue

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