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1
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3Published 1977“...HC 663 .S471...”
Conference Proceeding Book -
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7
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11Published 1986“...HC 665 .H427 1995...”
Book -
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13Published 1987“...HC 256.6 .M6895 1987...”
Book -
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15Published 1986“...HB 3711 .N277...”
Book -
16Published 1984“...HC 256.6 .M6895...”
Book -
17Published 1982“...HC 683.5 .I011 1981...”
Conference Proceeding Book -
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19
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20