| Sparling, David; ASC Soundings 11(1)1991 | ASC Soundings 11(1)1991 | 1991-00-00 | BUFFALO | QMED |
| Sparling, David; ASC Soundings 9(2)1989 | ASC Soundings 9(2)1989 | 1989-00-00 | BUFFALO | QMED |
| Sparling, David; ASC Soundings December 1984 | ASC Soundings December 1984 | 1984-00-00 | UNITED STATES GYPSUM | wiper |
| Sparling, David; ASC Soundings December 1984 | ASC Soundings December 1984 | 1984-00-00 | RICHARD J. REISS | QMED |
| Sparling, David; ASC Soundinngs Apr 1990 | ASC Soundinngs Apr 1990 | 1990-00-00 | BUFFALO | QMED |
| Sparling, David; Soundings May 1988 | Soundings May 1988 | 1988-00-00 | BUFFALO | QMED |