TY - RPRT TI - A polygenetic model for pedostratigraphic units in the Chinese loess Plateau Region AU - Hongfang Wang AU - L.R. Follmer PY - 1998 DO - 10.1016/s1040-6182(98)90220-8 UR - https://pubs.usgs.gov/publication/70020432 ID - 70020432 ER -