TY - BOOK AU - United States Department of Agriculture TI - Keys to soil taxonomy. Ed 8 SN - 81-204-1330-X U1 - 631.44 PY - 1998/// CY - New Delhi PB - Oxford and IBH Publishing Co Pvt Ltd N1 - United States Department of Agriculture: Keys to soil taxonomy. Ed 8. (8th Ed) New Delhi. Oxford and IBH Publishing Co Pvt Ltd, 1998. 81-204-1330-X--(631.44UNI) ER -