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"A few more RBIBDs with k = 5 and lambda = 1."
Lie Zhu, Beiliang Du, Xuebin Zhang (1991)
- Lie Zhu, Beiliang Du, Xuebin Zhang:
A few more RBIBDs with k = 5 and lambda = 1. Discret. Math. 97(1-3): 409-417 (1991)
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