Nicholas D. Cheronis, James B. Parsons & Conrad E. Ronneberg.
The Study of the physical world., 2nd ed.
R673646. The Study of the physical world. By Nicholas D. Cheronis, James B. Parsons & Conrad E. Ronneberg. 2nd ed. © 20Apr50; A43413. Irene Cheronis (W), Conrad E. Ronneberg & James B. Parsons (A); 6Oct77; R673646.
Irene Cheronis|W||Conrad E. Ronneberg & James B. Parsons|A