Showing 1 - 3 results of 3 for search 'Ludvigsen, Rolf', query time: 0.09s Refine Results
1
The Ordovician Trilobite Pseudogygites Kobayashi in Eastern and Arctic North America / Rolf Ludvigsen
Book
2
Upper Cambrian and Lower Ordoviciantrilobite Biostratigraphy of the Rabbitkettle Formation, Western District of Mackenzie / Rolf Ludvigsen
Other Authors: “...Ludvigsen, Rolf...”
Book
3
Upper Cambrian to Lower Ordovician Conodont Biostratigraphy and Biofacies, Rabbitkettle Formation, District of Mackenzie / Ed Landing, Rolf Ludvigsen, Peter H. von Bitter
Other Authors: “...Ludvigsen, Rolf Bitter, Peter H. von...”
Book
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