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Start Over You searched for: Publish Year Decade 1960 - 1969 Remove constraint Publish Year Decade: 1960 - 1969 Sudoc Stem I 28.37/a Remove constraint Sudoc Stem: I 28.37/a

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42. Magnesium; [by Robert F. Griffith].

43. Manganese; [by Gilbert L. DeHuff].

44. Mercury; [by John G. Parker].

45. Mica; [by Benjamin Petkof].

48. Molybdenum; [by John L. Morning].