Powell, Virginia P.
Molecular weight calculations / Virginia P Powell. - New Jersey : Printince-Hall, 1965. - 48 p. ; 23 cm. - Programmed unit in chemistry ; v. 3. .
Chemistry --Programmed instruction.
Molecular weights.
540 / POM
Molecular weight calculations / Virginia P Powell. - New Jersey : Printince-Hall, 1965. - 48 p. ; 23 cm. - Programmed unit in chemistry ; v. 3. .
Chemistry --Programmed instruction.
Molecular weights.
540 / POM