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41
Serial -
42
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43
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44Published 1977“...HD 9839 .N43 .C2 .M789...”
Journal -
45
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46
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47
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48
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49Published 1953“...HB 3692.5 .A3 .S797...”
Serial -
50Published 1978“...HC 681 .K44...”
Journal -
51
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52
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53Published 1987“...HC 670 .I5 .N5322...”
Serial -
54
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55
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56Published 1993“...HE 5614.5 .N5 .R6286...”
Journal -
57
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58
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59
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60Published 1975“...HC 447 .M289...”
Book