@Book{batchelor,
author = {G.K. Batchelor},
ALTeditor = {},
title = {An Introduction to Fluid Dynamics},
publisher = {Cambridge University Press},
year = {1967},
OPTkey = {},
OPTvolume = {},
OPTnumber = {},
OPTseries = {},
OPTaddress = {},
edition = {First},
OPTmonth = {},
OPTnote = {},
OPTannote = {}
}

@Article{kraichnan,
author = {R.H. Kraichnan},
title = {Convection of a passive scalar by a quasi-uniform
random straining field},
journal = {J. Fluid Mech.},
year = {1974},
OPTkey = {},
volume = {64},
OPTnumber = {},
pages = {737-762},
OPTmonth = {},
OPTnote = {},
OPTannote = {}
}