Earth history : The several ages of the Earth /
Walker, James C.G.
Earth history : The several ages of the Earth / James C.G. Walker. - Boston ; Portola Valley : Jones & Bartlett Publ. , 1986. - VII, 199 p.
0-86720-022-7 0-86720-023-5
Earth science
Human evolution
Paleontology
Earth history : The several ages of the Earth / James C.G. Walker. - Boston ; Portola Valley : Jones & Bartlett Publ. , 1986. - VII, 199 p.
0-86720-022-7 0-86720-023-5
Earth science
Human evolution
Paleontology