APA

Henning N., . (1974). Evaluation of lignite fly ash as a mineral filler in asphaltic concrete. St. Paul, MN: Twin City Testing and Engineering Laboratory, Inc.

Chicago

Henning NE, . 1974. Evaluation of lignite fly ash as a mineral filler in asphaltic concrete. St. Paul, MN: Twin City Testing and Engineering Laboratory, Inc.

Harvard

Henning N., . (1974). Evaluation of lignite fly ash as a mineral filler in asphaltic concrete. St. Paul, MN: Twin City Testing and Engineering Laboratory, Inc.

MLA

Henning NE, . Evaluation of lignite fly ash as a mineral filler in asphaltic concrete. St. Paul, MN: Twin City Testing and Engineering Laboratory, Inc. 1974.