Number | Date | Country | Kind |
---|---|---|---|
54-30737 | Mar 1979 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4176041 | Mori et al. | Nov 1979 | |
4214977 | Ranganathan et al. | Jul 1980 |
Number | Date | Country |
---|---|---|
20992 | Jan 1930 | AUX |
24642 | Sep 1935 | AUX |
106269 | Jan 1939 | AUX |
108888 | Apr 1940 | AUX |
Entry |
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"Optical Mineralogy", Kerr. Columbia University, 3rd ed. McGraw-Hill, 1959, pp. 195, 207. |
Chemical Engineers Handbook, Perry Ed., 4th ed. McGraw-Hill Book Co., N.Y., 1963. (21-50)-(21-51). |