Author

Welte, D.H.

Catalogue records by Welte, D.H. in the PakCat Union Catalogue.

4 catalogue records

Catalogue records

Perroleum formation and occurrence Tissot, B. P. 1984 Petroleum formation and occurrence Tissot, B.P. 1978 Petroleum formation and occurrence , Welte, D. H. 1978 Petroleum formation and Occurrence Tissot B.P. 1948