1 Gilbert, T. E, 1978, pp. 88 “92
2 Rothwell, 1996a, p. 79
3 Rosenberg, 1996a
4 Rosenberg, 1996a, p. 380
5 Robinson and Robinson, 1989, p. 109
6 Rothwell, 1996b, pp. 153 “154
7 Rossett, 1999, pp. 32 “37
8 Rossett, 1999, p. 38
9 Robinson and Robinson, 1989
10 Gilbert, 1978, p. 88
11 Rothwell, 1996b, pp. 13 “14
12 Dean, 1997, pp. 45 “51
13 Rothwell, 1996b, p. 33
14 Rossett, 1992
15 Rothwell, 1996b
16 Rothwell, 1996b
17 Rothwell, 1996b, p. 170
18 Rothwell, 1996b, pp. 170 “171
19 Rothwell, 1996b, pp. 171 “173
20 Rothwell, 1996b, p. 173
1 Gilbert, 1978
2 Rossett, 1999, p. 38
3 Rothwell, 1996b, p. 161
4 Rothwell, 1996b, pp. 159 “160
5 Gilbert, 1996, p. 88
6 Dean, 1997, p. 55
7 Rossett, 1999
8 Rossett, 1999, p. 43
9 Gilbert, 1982, September; 1982, October
10 Dean, 1997, pp. 57 “58
1 Gilbert, 1996, p. 31
2 Mager and Pipe, 1984, p. 31
3 Mager and Pipe, 1984, p. 31
4 Rosenberg, 1996a, p. 375
5 Hutchison and Stein, 1997, p. 29
6 Mager and Pipe, 1984, p. 17
7 Rossett, 1999, p. 45
8 Rummler, 1983, pp. 75 “76
9 Dean, 1997b, p. 48
10 Rothwell, 1996b, p. 170
11 Gilbert, 1996
12 Dean, 1997b, p. 51
13 Gilbert, 1996, pp. 87 “88
14 Dean, 1998b, pp. 48 “49
15 Dean, 1998b, p. 51
16 Gilbert, 1982, pp. 21 “30
17 Gilbert, 1982, pp. 85 “89