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1Published 1972“...HC 622 .P578...”
Conference Proceeding Book -
2Published 1995“...HT 169 .N52 .P83 .P836 c...”
Book -
3Published 1996“...HT 169 .N52 .N4 .N4325 n...”
Book -
4Published 1970“...HC 622 .P578 p...”
Conference Proceeding Book -
5Published 2000“...HC 670 .E5 .E6135 2000...”
Book -
6
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7Published 1994“...HT 169 .N52 .U6 .U68 s...”
Book -
8Published 1991“...HT 169 .N52 .A8 .A8975 o...”
Book -
9