text Gravenhage W. van Hoeve 1947 Ind 198 p. : ill. ; 22 cm. 198 p. : ill. ; 22 cm. GROBBEN, J.A.J. MATHEMATICS 511 511GROw INLIS000000000008517 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)