ASM-SLA metallurgical literature classification.
Publisher: American Society for Metals
Published: 1950
Place of publication: Cleveland
Language: eng
Number of pages: 49
Subjects: Classification -- Books -- Metallurgy.; Tabulating machines.
Other titles: Metallurgical literature classification.
Notes: A sample punched card, 5x8 in., showing the coding symbols used in the classification, is inserted.