المرجع
المادة الدراسية:
:Textbook
P.J. Brenchley & D.A.T. Harper, 1998, Palaeoecology: Ecosystems, Environments and Evolution: Chapman and Hall, N.Y
:Textbook
P.J. Brenchley & D.A.T. Harper, 1998, Palaeoecology: Ecosystems, Environments and Evolution: Chapman and Hall, N.Y