TY - BOOK AU - Allen, Stewart E. TI - Chemical analysis of ecological materials SN - 0632017422 U1 - 543 22 PY - 1989/// CY - Oxford, England, Boston PB - Blackwell Scientific Publications KW - Chemistry, Analytic KW - Soils KW - Analysis KW - Plants KW - Water N1 - Includes bibliographical references and index ER -