SCIENCE

BERDYUGIN AI, XIN N, GAO HY, SLIZOVSKIY S, DONG ZY, BHATTACHARJEE S, KUMARAVADIVEL P, XU SG, PONOMARENKO LA, HOLWILL M, BANDURIN DA, KIM M, CAO Y, GREENAWAY MT, NOVOSELOV KS, GRIGORIEVA IV, WATANABE K, TANIGUCHI T, FAL KO VI, LEVITOV LS, KUMAR RK, GEIM AK

CHINESE PHYSICS LETTERS

MA JJ, WANG ZY, XU SG, GAO YX, ZHANG YY, DAI Q, LIN X, DU SX, REN JD, GAO HJ