G.K., Batchelor. (1959), "Small-scale variation of convected quantities like temperature in turbulent fluid. Part 1. General discussion and the case of small conductivity", Journal of Fluid Mechanics, 5: 113–133, Bibcode:1959JFM.....5..113B, doi:10.1017/s002211205900009x, S2CID 122304345 /wiki/Bibcode_(identifier)