Proceedings / American Petroleum Institute.

v.33 1953 sect.1; v.33 1953 sect.2; v.33 1953 sect.3; v.33 1953 sect.4; v.33 1953 sect.5; v.34 1954 sect.1; v.34 1954 sect.2; v.34 1954 sect.3; v.34 1954 sect.4; v.34 1954 sect.5; v.34 1954 sect.6; v.35 1955 sect.1-5; v.36 1956 sect.1; v.36 1956 sect.2; v.36 1956 sect.3; v.36 1956 sect.4; v.36 1956 sect.6-7; v.37 1957 sect.1; v.37 1957 sect.3; v.37 1957 sect.4; v.37 1957 sect.6-7; v.38 1958 sect.3; v.39 1959 sect.3; v.39 1959 sect.4; v.39 1959 sect.5; v.40 1960 sect.3; v.41 1961 sect.6-7; v.42 1962 sect.3; v.42 1962 sect.6-7; v.42 1962 sect.8; v.43 1963 sect.3; v.9(1928)