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Pub. Date
[1979]
Physical Description
25 pages : illustrations ; 22 cm
Language
English
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Pub. Date
1987.
Physical Description
iv, 56 pages ; 23 cm
Language
English
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1985.
Physical Description
112 pages : illustrations, forms ; 26 cm
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English
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[1996]
Physical Description
107 pages ; 22 cm
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English
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1986.
Physical Description
vi, 194 pages ; 23 cm
Language
English
Pub. Date
[1999]
Physical Description
31 pages ; 23 cm
Language
English
Author
Pub. Date
[2001]
Physical Description
128 pages : illustrations ; 24 cm
Language
English
Author
Pub. Date
[2001]
Physical Description
xi, 229 pages ; 22 cm
Language
English
Author
Pub. Date
[2006]
Physical Description
iv, 30 pages : digital, PDF file.
Language
English
Author
Series
ERIC digest volume EDO-EA-91-3
Pub. Date
[1991]
Physical Description
1 volume.
Language
English
Author
Series
In focus volume IF12688
Pub. Date
2024-
Physical Description
1 online resource.
Language
English
Pub. Date
1999.
Physical Description
7 unnumbered pages ; 22 cm
Language
English