APA

Koberstein E., . (1977). Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66.

Chicago

Koberstein E, . 1977. Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66.

Harvard

Koberstein E., . (1977). Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66.

MLA

Koberstein E, . Characterization of multifunctional catalysts for automotive exhaust purification. Warrendale, Pa: Society of Automotive Engineers. Paper nr 77 03 66. 1977.