Arrows may be used at the end of the reference lines provided that their meaning is clear.[]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/a_v_7_5_2.htm
Date retrieved: 17 May 2021
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/a_v_7_5_2.htm
Date retrieved: 17 May 2021