51.   In essential schizophrenia the characteristic pattern is of withdrawal from the impacts of experience in the outside world.

52.   In geomorphology the impact of studies of process was perhaps most substantial and also the most dramatic in physical geography.

53.   In order to judge the impact of fetal masculinization on men, it is useful to appraise its effect on the female.

54.   In the United States the economic impact of the size of the post-war military establishment and budget has been tremendous.

55.   It has been three weeks since the indistinct videotape image hit television screens with the impact of, well, a whip.

56.   It is a mistake to minimize the impact of the new cosmology, but resources were available to protect a spiritual destiny.

57.   It is difficult to measure the economic impact of the war.

58.   It is easier to assess the impact of specific advertising campaigns on sales in specific product areas.

59.   It is essential that the impact of resource allocation formula is justifiable on grounds other than the composition of any particular formula.

60.   It is hard to overestimate the impact of the crisis.