TY - GEN AU - Mitchell,G W AU - Hastings,J W TI - A stable, inexpensive, solid-state photomultiplier photometer SN - 0003-2697 PY - 1971///0406 KW - Costs and Cost Analysis N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0003-2697(71)90481-7 ER -