11.   I stayed with Venturous throughout the seventies with the occasional trip on Valiant and a very short period on Vigilant.

12.   In a short period of rapid theoretical development the emergent core of regional planning principles and practices strengthened considerably.

13.   Indeed, some animal tissues still practise anaerobic respiration - including muscle fibres, for short periods.

14.   It is more likely, however, that it represents a short period of dry climate when there were frequent brush fires.

15.   It is much better to get out of bed and return after a short period when you feel more tired.

16.   Larvae May immediately become bottom dwellers or pelagic for a short period to be broadcast over vast distances by ocean currents.

17.   Most of those are autopsied and then released to a mortuary in a relatively short period of time.

18.   Occasionally, however, this current is displaced and a warm southward-flowing current prevails for short periods.

19.   Some were from a local technical college and were taken for short periods.