text Washington The Cattholic University of America Press 1955 Ind 30 p.: ill.; 22 cm. 30 p.: ill.; 22 cm. Thesis (Dr.)- The Catholic University of America, 1955 BARNARD, M. Luckita SOIL BIOLOGY PH ENZYMES 631.465 631.465BARi INLIS000000000009522 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)