The stratigraphy and ammonite fauna of the Upper Lias of Northamptonshire | M. K. Howarth
20050302d1978 0grey5005 ba
- Συσταχωμένο στο: "Bulletin of the British Museum. Geology, 29, 1977-78"
Bulletin of the British Museum. Geology, 29, 1977-78 = London
- Συσταχωμένο στο: "Bulletin of the British Museum. Geology, 29, 1977-78"
Bulletin of the British Museum. Geology, 29, 1977-78 = London