Number | Name | Date | Kind |
---|---|---|---|
2628435 | Minninger et al. | Feb 1953 | |
3478440 | Ritchie et al. | Nov 1962 | |
3570145 | Hickey | Mar 1971 | |
4045884 | Zand | Sep 1977 | |
4650426 | Brigance | Mar 1987 |
Number | Date | Country |
---|---|---|
703749 | Dec 1963 | CAX |
Entry |
---|
Teaching Resources Catalog 1982; pp. 99-100. |