ISBN 0891187901 books & textbook
Fragipans: Their Occurrence, Classification and Genesis : Proceedings of a Symposium Sponsored by Divisions S-5 and S-9 of the Soil Science Society (S S S A SPECIAL PUBLICATION)
Smeck, N. E. Ciolkosz, Edward J.
Soil Science Society of Amer /1989-01-01 Paperback / 153 Pages
isbn-10: 0891187901 / isbn-13: 9780891187905
