Guide to protein purification text Academic Press 1990 N xiii, 894 hlm. 24 cm enzymes 574.192 5 574.192 5 Gui 0122135857 INLIS000000000004144 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)