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1Published 1983“...HC 599 .P119...”
Conference Proceeding Book -
2Published 1984“...HT 147 .S72 .E78...”
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8Published 1989“...HQ 1865.6 .W8725...”
Journal -
9Published 1978“...HC 681 .K44...”
Journal -
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14Published 1975“...HT 149 .P11 .I34 1975...”
Book -
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19Published 1977“...HT 169 .P2 .L785 1977...”
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