Principles of science
Heimler, Charles H. (Charles Herbert), 1930-
Principles of science Charles H. Heimler Charles D. Neal, consultant - 3rd ed. - Columbus, Ohio Charles E. Merrill 1975 - 498p. ill.(some col.) 25cm. - A Merrill science text .
0675075335
Science--Study and teaching (Elementary)
Principles of science Charles H. Heimler Charles D. Neal, consultant - 3rd ed. - Columbus, Ohio Charles E. Merrill 1975 - 498p. ill.(some col.) 25cm. - A Merrill science text .
0675075335
Science--Study and teaching (Elementary)
