$a Infrared astronomy : International Astronomical Union Symposium No. 96 held in Kona, Hawaii, June 23-27, 1980 / ed. by C. G. Wynn-Williams and D. P. Cruikshank. - Dordrecht, 1981. $b CIP LCC (Cruikshank, Dale P.) ; (Insitute for Astronomy, University of Hawaii)