Patterns and processes of science : : laboratory text/ [electronic resource] / [by] J. A. M. Brock, Donald W. Paulsen [and] Fred T. Weisbruch.. — Lexington, Mass. : : D. C. Heath,, 1969. — 2 v. : : ill. ; 24 cm. Subjects--Topical Terms: Science--Study and teaching (Secondary)