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A STUDY OF THE MORPHOLOGY OF THE SPORE GENUS.URBAN JB.1969; PALAEOGEOGR. PALAEOCLIMATOL. PALAEOECOL.; NLD; 1969(9), VOL. 9, P. 103 A 114Miscellaneous

A REEXAMINATION OF CHITINOZOA FROM THE CEDAR VALLEY FORMATION OF IOWA WITH OBSERVATIONS ON THEIR MORPHOLOGY AND DISTRIBUTIONURBAN JB.1972; BULL. AMER. PALEONTOL.; U.S.A. ; 1972, VOL. 63, NUM. 0275, P. 1 A 43Serial Issue

ANCYROSPORA FALLACIA, A NEW SPOROMORPH EXHIBITING DECEPTIVE VARIATIONS IN PRESERVATION.URBAN JB.1970; MICROPALEONTOLOGY; USA; 1970(4), VOL. 16, NUM. 0002, P. 221 A 226Miscellaneous

DIBROCHOSPORITES,A NEW SPOROMORPH FROM THE MIDDLE DEVONIAN OF IOWA.URBAN JB.1968; MICROPALEONTOLOGY; USA; 1968(7), VOL. 14, NUM. 0003, P. 371 A 373Miscellaneous

PALYNOLOGY OF THE WAPSIPINICON FORMATION (MIDDLE DEVONIAN) OF IOWAURBAN JB.sdIN: AM. ASSOC. STRATIGR. PALYNOL. 5TH ANNU. MEET. ABSTR.; KINGSTON, R.I.; 1972; S.L. ; , P. 31Miscellaneous

A STUDY OF THE MORPHOLOGY AND DISTRIBUTION OF THE ACRITARCH SUBGROUP PRISMATOMORPHITAE AND RELATED FORMS FROM THE CEDAR VALLEY FORMATION OF IOWA.PADOVANI ER; URBAN JB.sdIN: AM. ASSOC. STRATIGR. PALYNOL. COMM. INT. MICROFLORE PALEOZOIQUE. JT MEET.; HALIFAX; 1976; S.L.; DA. S.D.; PP. 19; RESUMEConference Paper

ACRITARCHS OF THE LIME CREEK FORMATION (UPPER DEVONIAN) OF IOWANEWPORT RL; URBAN JB.sdIN: AM. ASSOC. STRATIGR. PALYNOL. 5TH ANNU. MEET. ABSTR.; KINGSTON, R.I.; 1972; S.L. ,, P. 24Miscellaneous

A NEW SCANNING ELECTRON MICROSCOPE SPECIMEN HOLDER FOR PALYNOLOGY.URBAN JB; PADOVANI ER.1970; POLLEN ET SPORES; FRA; 1970(4), VOL. 12, NUM. 0001, P. 131 A 139Miscellaneous

HYDROCARBON OCCURRENCE AS FUNCTION OF THERMAL ALTERATION OF ORGANIC MATERIALURBAN JB; HARDING R.1979; AMER. ASS. PETROLEUM GEOLOGISTS BULL.; USA; DA. 1979; VOL. 63; NO 3; PP. 544Conference Paper

THE INVESTIGATION OF CARBONIFEROUS STRATIGRAPHIC LEAKS FROM MISSOURI AND IOWABEACH TL; URBAN JB.sdIN: AM. ASSOC. STRATIGR. PALYNOL. 5TH ANNU. MEET. ABSTR.; KINGSTON, R.I.; 1972; S.L. ; , P. 2Miscellaneous

CHITINOZOA OF THE CEDAR CITY FORMATION, MIDDLE DEVONIAN OF MISSOURI.URBAN JB; KLINE JK.1970; J. PALEONTOL.; USA; 1970(1), VOL. 44, NUM. 0001, P. 69 A 76Miscellaneous

PALYNOLOGY OF THE DEVONIAN-MISSISSIPPIAN BOUNDARY IN THE MID-CONTINENTAL UNITED STATESALLEN ML; URBAN JB.sdIN: AM. ASSOC. STRATIGR. PALYNOL. 5TH ANNU. MEET. ABSTR.; KINGSTON, R.I.; 1972; S.L. ; , P. 1Miscellaneous

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