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Part 12, Authors: P To Qvortrup
(United States Government Printing Office, 1951)
Part 15, Authors: Si To Szyszkowski
(United States Government Printing Office, 1951)
Part 13, Authors: R To Rzoska
(United States Government Printing Office, 1951)
Part 14, Authors: S To Shweig
(United States Government Printing Office, 1951)