APA

van Atta R., Ludowise H., . (1974). Study of petrography and degradation of some basaltic aggregates, Nestucca River Area, Oregon. uo: Engineering Geology and Soils Engineering Symposium. 12. 1974, Idaho.

Chicago

van Atta RO, Ludowise H, . 1974. Study of petrography and degradation of some basaltic aggregates, Nestucca River Area, Oregon. uo: Engineering Geology and Soils Engineering Symposium. 12. 1974, Idaho.

Harvard

van Atta R., Ludowise H., . (1974). Study of petrography and degradation of some basaltic aggregates, Nestucca River Area, Oregon. uo: Engineering Geology and Soils Engineering Symposium. 12. 1974, Idaho.

MLA

van Atta RO, Ludowise H, . Study of petrography and degradation of some basaltic aggregates, Nestucca River Area, Oregon. uo: Engineering Geology and Soils Engineering Symposium. 12. 1974, Idaho. 1974.