text Bristol John Wright & Sons 1982 3rd ed eng 123 hlm.:ill. 24 cm. W.J.B Houston ORTHODONTIC 617.643 617.643 Hou o 7 INLIS000000000051592 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)