Runquist, Olaf . Chemical Principles: A Programmed Text / Textual Documents Olaf Runquist, Clifford J. Creswell, & J. Thomas Head. - 1st ed / - Bombay : Vakils, Feffer and Simons Pvt. Ltd. , 1968. - 462p ; 28 cm. Subjects--Index Terms: Chemistry T/G-chemistry Dewey Class. No.: 540 / R 879 C