Your search returned 2 results.

1.
Understanding light

by Tannenbaum, Beulah | Stillmany, Myra.

Series: Ladder : 2000 words ; L-54Material type: Text Text Language: en Publication details: New York : Fawcett Publications, 1968Availability: Items available for loan: Biblioteca Central UNNECall number: 535 T166 ej.1 (1).

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2.
Discoveries in science : how they are made

by Lotspeich, William.

Series: Ladder : 2000 words ; L-52Material type: Text Text Language: en Publication details: New York : Fawcett Publications, 1968Availability: Items available for loan: Biblioteca Central UNNECall number: 5.001 L882 ej.1 (1).

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