THE LUMINOSITY FUNCTION FOR PLANETARY NEBULAE AND THE NUMBER OF PLANETARY NEBULAE IN LOCAL GROUP GALAXIESJACOBY GH.1980; ASTROPHYS. J., SUPPL. SER.; USA; DA. 1980; VOL. 42; NO 1; PP. 1-18; H.T. 12; BIBL. 83 REF.Article

THE PECULIAR PLANETARY NEBULA ABELL 35JACOBY GH.1981; ASTROPHYS. J.; ISSN 0004-637X; USA; DA. 1981; VOL. 244; NO 3; PART. 1; PP. 903-911; H.T. 1; BIBL. 29 REF.Article

THE IDENTIFICATION OF FAINT PLANETARY NEBULAE IN THE SMALL MAGELLANIC CLOUD.JACOBY GH.1978; ASTROPHYS. J.; USA; DA. 1978; VOL. 226; NO 2 PART. 1; PP. 540-544; H.T. 1; BIBL. 34 REF.Article

COMPARISON OF SCATTER UNDER PROGRAM AND RANDOM LOADING AND INFLUENCING FACTORSJACOBY GH; NOWACK H.1972; A.S.T.M. SPEC. TECH. PUBL.; U.S.A.; DA. 1972; NO 511; PP. 61-74; BIBL. 20 REF.; (PROBAB. ASPECTS FATIGUE. SYMP.; ATLANTIC CITY, N.J.; 1971)Conference Paper

DOES THE GALAXY UGC 5196 EXIST.JACOBY GH; GISLER GR.1979; PUBL. ASTR. SOC. PACIF.; USA; DA. 1979; VOL. 91; NO 542; PP. 424-426; BIBL. 4 REF.Article

THE OCCULTATION OF NU LEONIS.JACOBY GH; PRICE CM.1978; PUBL. ASTR. SOC. PACIF.; U.S.A.; DA. 1978; VOL. 90; NO 533; PP. 113-116; BIBL. 13 REF.Article

PLANETARY NEBULAE IN LOCAL GROUP GALAXIES. V. THE ANDROMEDA GALAXY.FORD HC; JACOBY GH.1978; ASTROPHYS. J.; U.S.A.; DA. 1978; VOL. 219; NO 2 PART. 1; PP. 437-444; H.T. 3; BIBL. 30 REF.Article

PLANETARY NEBULAE IN LOCAL GROUP GALAXIES. VI. AN OBSERVATIONAL DETERMINATION THAT M32 IS IN FRONT OF M31.FORD HC; JACOBY GH; JENNER DC et al.1978; ASTROPHYS. J.; USA; DA. 1978; VOL. 223; NO 1 PART. 1; PP. 94-97; BIBL. 24 REF.Article

PLANETARY NEBULAE IN LOCAL GROUP GALAXIES. VII. SPECTROPHOTOMETRY AND FILTER PHOTOMETRY OF M32-1JENNER DC; FORD HC; JACOBY GH et al.1979; ASTROPHYS. J.; USA; DA. 1979; VOL. 227; NO 2 PART. 1; PP. 391-397; BIBL. 27 REF.Article

CARBON STAR EFFECTIVE TEMPERATURERIDGWAY ST; JACOBY GH; JOYCE RR et al.1981; ASTROPHYS. SPACE SCI. LIBR.; ISSN 0067-0057; NLD; DA. 1981; VOL. 88; PP. 47-49; BIBL. 5 REF.Conference Paper