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The Ascaris megalocephala Embryology - Spanish
Item Number: 1010223
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The Honey Bee (Apis mellifera) - English Slides
Item Number: 1009766
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The Honey Bee (Apis mellifica) - French
Item Number: 1009712
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The Honey Bee (Apis mellifica) - German Slides
Item Number: 1009711
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The Honey Bee (Apis mellifica) - Portuguese Slides
Item Number: 1009713
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The Honey Bee (Apis mellifica) - Spanish
Item Number: 1009714
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The Microscopic Life in the Water, Part I - English Slides
Item Number: 1009761
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The Microscopic Life in the Water, Part I - French
Item Number: 1009692
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The Microscopic Life in the Water, Part I - Portuguese Slides
Item Number: 1009693
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The Microscopic Life in the Water, Part I - Spanish
Item Number: 1009694
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The Microscopic Life in the Water, Part II - English Slides
Item Number: 1009768
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The Microscopic Life in the Water, Part II - French
Item Number: 1009719
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The Microscopic Life in the Water, Part II - German Slides
Item Number: 1009718
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The Microscopic Life in the Water, Part II - Portuguese Slides
Item Number: 1009720
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The Microscopic Life in the Water, Part II - Spanish
Item Number: 1009721
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The Paramaecium (Caudatum) - English Slides
Item Number: 1009748
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The Water Pollution, Problems and Results - English Slides
Item Number: 1009758
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The Water Pollution, Problems and Results - French
Item Number: 1009680
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The Water Pollution, Problems and Results - German Slides
Item Number: 1009679
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The Water Pollution, Problems and Results - Portuguese Slides
Item Number: 1009681
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The Water Pollution, Problems and Results - Spanish
Item Number: 1009682
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The Wood, Consequences of Pollution - English Slides
Item Number: 1009757
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The Wood, Consequences of Pollution - French
Item Number: 1009676
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The Wood, Consequences of Pollution - German Slides
Item Number: 1009675