00345nam a2200109Ia 4500008004100000022001400041245003400055260006800089310000600157500003500163500003700198220214s9999 xx 000 0 und d a0021-9584 0aJournal of chemical education bDivision of Chemical Education of the American Chemical Society aM aEnding Volume & Year: 62, 1985 aStarting Volume & Year: 53, 1976