共 50 条
- [32] MODIFICATION TO PERKIN-ELMER REFLECTANCE ATTACHMENT FOR STUDYING POWDERS JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1968, 1 (04): : 470 - &
- [35] MODIFICATION TO PERKIN-ELMER 450 SPECTROPHOTOMETER REFLECTANCE ACCESSORY JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1971, 4 (07): : 547 - +
- [37] NEUERE ENTWICKLUNGEN BEI DER PERKIN-ELMER-CORPORATION ANGEWANDTE CHEMIE, 1953, 65 (07): : 187 - 188
- [40] INFRA-RED STUDIES WITH THE PERKIN-ELMER SPECTROMETER PHYSICAL REVIEW, 1949, 76 (04): : 592 - 592