  1992 - How More Experiments for the Young Scientists (Hardcover) → Paperback ISBN-13: 9780830640249 ISBN-10: 083064024X ?  1992 - Why Experiments for the Young Scientist (Paperback) → Hardcover ISBN-13: 9780830640232 ISBN-10: 0830640231 Genre: Children's Books ?  1988 - 50 Powerful Printed Circuit Board Projects (Hardcover) → Paperback ISBN-13: 9780830602728 ISBN-10: 0830602720 Genres: Computers & Technology, Engineering & Transportation ? |
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