The following publications are possibly variants of this publication:
- Bounds for Binary Multiple Covering CodesHeikki O. Hämäläinen, Iiro S. Honkala, Markku K. Kaikkonen, Simon Litsyn. dcc, 3(3):251-275, 1993.
- Lower bounds for binary covering codesIiro S. Honkala. TIT, 34(2):326, 1988.
- Bounds for abnormal binary codes with covering radius oneIiro S. Honkala, Heikki O. Hämäläinen. TIT, 37(2):372, 1991.
- New upper bounds for binary covering codesPatric R. J. Östergård, Markku K. Kaikkonen. DM, 178(1-3):165-179, 1998. [doi]