1.
Xia Y, Zhang X, Luo X, Zhu Q. Modelling of Ontology-based Service Compositions using Petri Net. ELEKTRON ELEKTROTECH [Internet]. 2013Feb.7 [cited 2020Jul.13];19(2):75-8. Available from: http://eejournal.ktu.lt/index.php/elt/article/view/3474