Reger D. L., Mercer E. E. & Boikess R. S.Study guide to accompany chemical principles. New York: .
Reger Daniel L, Mercer Edward E and Boikess Robert S.Study guide to accompany chemical principles. New York: .
Reger D. L., Mercer E. E. and Boikess R. S.Study guide to accompany chemical principles. New York: .
Reger Daniel L, Mercer Edward E and Boikess Robert S.New York: . .
