entry 0 1
book 1 2
title 2 3
year 2 4
entry 0 5
paper 5 6
title 6 7
year 6 8
ref 2 5
ref 6 1

entry 9 10
book 10 2
title 11 12
year 11 13
entry 9 14
paper 14 15
title 15 16
year 15 17
ref 11 14
ref 15 10

.
1000_Famous_Recipes 3
1999 4
How_to_Cook_a_Turkey 7
1999 8
1000_Famous_Recipes 12
1999 13
How_to_Cook_a_Turkey 16
1999 17
.

entry 0 1
book 1 2
title 2 3
year 2 4
entry 0 5
paper 5 6
title 6 7
year 6 8
ref 2 5
ref 6 1

entry 9 10
book 10 2
title 11 12
year 11 13
entry 9 14
paper 14 15
title 15 16
year 15 17
ref 11 14
ref 15 10

.
1000_Famous_Recipes 3
1999 4
How_to_Cook_a_Turkey 7
1999 8
1000_Famous_Recipes 12
1999 13
How_to_Cook_a_Turkey 16
1999 17
.