TY - RPRT TI - Isotopic fractionation in thin-layer chromatography. AU - H Heck AU - R L Simon AU - M Anbar PY - 1977 DO - 10.1016/s0021-9673(00)83485-8 UR - https://pubmed.ncbi.nlm.nih.gov/190246/ ID - 190246 ER -