Symposium "Fragipans : their occurrence, c., Soil Science Society of America, D. S., Smeck, N. E., Ciolkosz, E. J., Kissel, D. E., Mickelson, S. H., & Tallard, A. J. (1989). Fragipans: Their occurence, classification, and genesis : proceedings of a symposium (1 edición.). Wisconsin, Estados Unidos: Soil Science Society of America, Inc..
Citación estilo ChicagoSymposium "Fragipans : their occurrence, classification, Divisions S-5 Soil Science Society of America, Neil E. Smeck, Edward J. Ciolkosz, David E. Kissel, S. H. Mickelson, y Annette J. Tallard. Fragipans: Their Occurence, Classification, and Genesis : Proceedings of a Symposium. 1 edición. Wisconsin, Estados Unidos: Soil Science Society of America, Inc., 1989.
Cita MLASymposium "Fragipans : their occurrence, classification, et al. Fragipans: Their Occurence, Classification, and Genesis : Proceedings of a Symposium. 1 edición. Wisconsin, Estados Unidos: Soil Science Society of America, Inc., 1989.