TY - GEN AU - Sima,O TI - Photon attenuation for samples in Marinelli beaker geometry: an analytical computation SN - 0017-9078 PY - 1992///0514 KW - Environmental Monitoring KW - instrumentation KW - Radiometry N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00004032-199205000-00011 ER -