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Multilingual
21
Wiegel, FW., 420.15-W645i | World Scientific | 1986 420.15-W645i,
22
Huang, Kerson., 420-H874q | World Scientific Publishing | 1982 420-H874q,
23
Gutzwiller, M C, 429.2-G985p | World Scientific | 1986 429.2-G985p,