00941nam a2200277 i 450099100085988970753620020507102423.0951116s1982 us ||| | eng b10139679-39ule_instLE00638109ExLDip.to Fisicaita52.9.52523.6QB721Wilkening, L.461408Comets /L. Wilkening with the assistance of M. Matthews ; with 48 collaborating authorsTucson :University of Arizona Press,1982x, 766 p. :ill. ;24 cm.CometsMatthews, Mildred Shapley.b1013967921-09-0627-06-02991000859889707536LE006 52.9.52 WIL12006000027922le006-E0.00-l- 00000.i1016579427-06-02Comets186836UNISALENTOle00601-01-95ma -engus 01