| LC control no. | n 88265897 |
|---|---|
| Personal name heading | Haken, Wolfgang |
| Variant(s) | Haken, W. (Wolfgang) |
| Found in | Appel, K.I. Every planar map is four colorable, c1989: CIP t.p. (W. Haken) p. xiii (Wolfgang Haken) bk. t.p. (Wolfgang Haken) |
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