Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Stevens, Calvin H., Leven, Ė. I︠A︡., (Ėrnst I︠A︡kovlevich), Baars, Donald L. fromSpecial papers (Geological Society of America) 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Stevens, Calvin H., Baars, Donald L., Leven, Ernst Iakovlevich fromSpecial paper 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Stevens, Calvin H., Leven, Ė. I︠A︡., (Ėrnst I︠A︡kovlevich), Baars, Donald L. fromSpecial paper 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Geological Society of America, Stevens, Calvin H., Leven, Ė. I︠A︡., (Ėrnst I︠A︡kovlevich), Baars, Donald L. fromSpecial papers (Geological Society of America) 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Stevens, Calvin H., Leven, Ė. I︠A︡., (Ėrnst I︠A︡kovlevich), Baars, Donald L. fromSpecial papers (Geological Society of America) 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Geological Society of America, Stevens, Calvin H., Leven, Ė. I︠A︡., (Ėrnst I︠A︡kovlevich), Baars, Donald L. fromSpecial papers (Geological Society of America) 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Stevens, Calvin H., Baars, Donald L., Leven, Ė. I{u0361}A., (Ėrnst I{u0361}Akovlevich) fromSpecial papers (Geological Society of America) 0 Type: Book
Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications by Stevens, Calvin H., Leven, Ė. I︠A︡., (Ėrnst I︠A︡kovlevich), Baars, Donald L. fromSpecial papers (Geological Society of America) 0 Type: Book
