Petrology for students : an introduction to the study of rocks under the microscope /
Harker, Alfred.
Petrology for students : an introduction to the study of rocks under the microscope / by Alfred Harker. - 5th ed. - Cambridge, UK : The University Press, 1919. - 300 p. : ill. ; 19 cm. - Cambridge geological series .
Includes index.
Petrology--Study and teaching (Higher).
Petrology.
Petrology for students : an introduction to the study of rocks under the microscope / by Alfred Harker. - 5th ed. - Cambridge, UK : The University Press, 1919. - 300 p. : ill. ; 19 cm. - Cambridge geological series .
Includes index.
Petrology--Study and teaching (Higher).
Petrology.