Lyengar, K. V. K.; Ghosh, S. K.; Rengarajan, T. N.; Verma, R. P.; Joshi, S. C.; Srivastava, R. K.
(1989)
We have carried out near infrared observations of twenty six unassociated IRAS sources with dust shells. Twenty of these belong to the group that have IRAS low resolution spectral characteristic (LRSCHAR = 4n), classified ...