text MacDonald and Evans 1979 N xv, 301 hlm. 18 cm RESEARCH OPERATION 511.8 511.8 Har o 0712115145 INLIS000000000007164 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)