Johnson, A. W., & Johnson, A. W. (1960). Factors that influence field compaction of soils: Compaction characteristics of field equipment. Washington.
Chicago Style CitationJohnson, A. W., and A. W. Johnson. Factors That Influence Field Compaction of Soils: Compaction Characteristics of Field Equipment. Washington, 1960.
MLA CitationJohnson, A. W., and A. W. Johnson. Factors That Influence Field Compaction of Soils: Compaction Characteristics of Field Equipment. Washington, 1960.
Warning: These citations may not always be 100% accurate.