document.write("<SCR"+"IPT src=\"http://doi.contentdirections.com/syndicator/dropdown_js.jsp?doi=10.1565/9781889051222&menuCountBase=26\"></SCRIPT>");
document.write("<a href=\"http://dx.doi.org/10.1565/9781889051222\" onmouseover=\"HM_f_PopUp('elMenu27',event)\" onmouseout=\"HM_f_PopDown('elMenu27')\"></a>");