00419nam a22001457a 450000500170000000800410001702000080005804100080006608200180007410000210009224500750011326000550018830000100024370000200025320260408115502.0260408b        |||||||| |||| 00| 0 eng d  a000  aeng  a515.35bFRA/B  a Chorlton, Frank  aBoundary Value Problems In Physics And Engineeringc/by Frank Chorlton  aLondon:bVan Nostrand Reinhold Company Ltd;c1969.  a250p.  aChorlton, Frank