text PWS - Kent Publishing 1992 N x, 337 [5]hlm. 24 cm persamaan diferensial 510 510 Hum b 0534928803 INLIS000000000001477 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)