Gonnerman, H. F., & Lerch, W. (1952). Changes in characteristics of portland cement as exhibited by laboratory tests over the period 1904 to 1950 presented at the fifty-fourth annual meeting, American Society for Testing Materials, Atlantic City, N.J., June 21, 1951 / by H. F. Gonnerman and William Lerch: Presented at the fifty-fourth annual meeting, American Society for Testing Materials, Atlantic City, N.J., June 21, 1951. American Society for Testing and Materials.
Chicago Style (17th ed.) CitationGonnerman, Harrison F., and William Lerch. Changes in Characteristics of Portland Cement as Exhibited by Laboratory Tests over the Period 1904 to 1950 Presented at the Fifty-fourth Annual Meeting, American Society for Testing Materials, Atlantic City, N.J., June 21, 1951 / by H. F. Gonnerman and William Lerch: Presented at the Fifty-fourth Annual Meeting, American Society for Testing Materials, Atlantic City, N.J., June 21, 1951. Philadelphia, Pa.: American Society for Testing and Materials, 1952.
MLA (9th ed.) CitationGonnerman, Harrison F., and William Lerch. Changes in Characteristics of Portland Cement as Exhibited by Laboratory Tests over the Period 1904 to 1950 Presented at the Fifty-fourth Annual Meeting, American Society for Testing Materials, Atlantic City, N.J., June 21, 1951 / by H. F. Gonnerman and William Lerch: Presented at the Fifty-fourth Annual Meeting, American Society for Testing Materials, Atlantic City, N.J., June 21, 1951. American Society for Testing and Materials, 1952.