TY - BOOK AU - Kirkham,Don AU - Powers,William L. TI - Advanced soil physics SN - 0471488755 U1 - 631.43 PY - 1972///] CY - New York PB - Wiley-Interscience KW - Soil physics N1 - "This textbook has developed from class notes for advanced soil physics courses taught at Iowa State and Kansas State Universities." ER -