633 Saturnian mean motion resonances in meteoroid streams A. Sekhar and D. J. Asher
MNRAS Letters, in press
Full Paper - PDF
632 Resonant Behavior of Comet Halley and the Orionid Stream A. Sekhar and D. J. Asher
Journal of Meteoritics & Planetary Science - in press
Full Paper - PDF
631 A Model for the Common Origin of Jupiter Family and Halley Type Comets V.V. Emel'yanenko, D.J. Asher, and M.E. Bailey
2013, Earth, Moon, & Planets, DOI 10.1007/s11038-012-9413-z (the final publication is available at www.springerlink.com) Full Paper - PDF
630 The birthplace of Johannes de Sacrobosco C.J. Butler
Irish Historical Studies, October 2012 - submitted Full Paper - PDF