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41Published 1993“...HN 930.5 .Z9 .V5 .P963...”
Book -
42
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43Published 1990“...HQ 809.3 .N5 .R281...”
Book -
44
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45
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46Published 1991“...HV 677 .N5 .C536...”
Book -
47
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48
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49
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50
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51
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52Published 1988“...HV 5715.5 .C734...”
Book -
53
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54Published 1996“...HQ 809.3 .N5 .N532...”
Book -
55
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56
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57Published 1995“...HV 802.5 .N5318...”
Conference Proceeding Book -
58
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59
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60