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3 v. 23 cm..

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212 p. 20 cm..

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76 p.

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República Dominicana Universidad Autónoma de Santo Domingo 1973 .
137 p.

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Springfield, Ill. Thomas 1974 .
ix, 94 p. 0398028613

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xi, 81 p. 23 cm..
0398032637 | 0398032645 (pbk.)

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viii, 98 p. 24 cm..
0398035350. | 0398035342

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039804967X

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0398029237