- Bellas, T. E., R. G. Brownlee, and R. M. Silverstein. 1969. Synthesis of brevicomin, principal sex attractant in the frass of the female western pine beetle (Dendroctonus brevicomis) . Tetrahedron 25:5149-5153.
- Silverstein, R. M., R. G. Brownlee, T. E. Bellas, D. L. Wood, and L. E. Browne. 1968. Brevicomin: principal sex attractant in the frass of the female western pine beetle . Science 159:889-891.