Nestle UK Ltd v Johnson EAT case no EAT/1327/00 on 13th May 2002, not reported.
The full judgment is available free of charge on the EAT website

in considering whether an employee who is regularly employed for several months of each year has completed the period of continuous employment which statute lays down as a precondition for claiming statutory redundancy pay, the question to be considered is whether or not the intervals between periods of employment should be categorised as "temporary cessation" of work.

For relevant general notes see Continuous employment generally and particularly the notes at Continuous employment/computation of period of (and general)