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1
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2Published 1988“...HD 171 .A15 .L253...”
Conference Proceeding Book -
3Published 1993“...HC 110 .W32 .T396...”
Book -
4Published 1989“...HD 2746.5 .H831...”
Book -
5Published 1991“...HV 741 .C5365...”
Book -
6Published 1989“...HQ 471 .P8363...”
Conference Proceeding Book