Title information : Classical and Quantum Gravity Issue data : Bristol : IOP publishing LTD Year, No. : Vol. 34, No. 16, rok 2017 ISSN : ISSN 0264-9381 Collective Record/Entry : \q12**1 0030894 \q Classical and Quantum Gravity References : \q2479**1 stu_us_cat*0030895*xcla \q (1) - článok