Bennett, K

Bussetta, M

Winkler, C

Buccheri, R

Strong, A

Collmar, W

Diehl, R

Lichti, G

Much, R

Schonfelder, V

Steinle, H

Varnedorff, M

Bloemen, H

de Boer, H

den Herder, JW

Hermsen, W

Kuiper, L

Swanenberg, B

de Vries, C

Connors, A

Lockwood, J

Macri, J

McConnell, Mark

Morris, D

Ryan, J

Stacy, G

Webber, W

September 1991

Bulletin of the American Astronomical Society  Journal