@misc{misc31752a0a, title = {Spectropolarimetry of the peculiar type Ic Supernovae 1998bw and 1997ef}, author = {Kay, L. E. and Halpern, J. and Leighly, K. M. and Filippenko, A. and Barth, A. and Moran, E. C. and Magalhães, Antonio Mário and Heathcote, S.}, year = {1999}, publisher = {American Astronomical Society}, booktitle = {Meeting American Astronomical Society} }