TY  - BOOK
AU  - Samuel Evans Clark
TI  - Learn to Invent, First Steps for Beginners Young and Old
KW  - Technology
UR  - https://new.zodml.org/sites/default/files/2023-07/learn_to_invent_first_steps_for_beginners_young_and_old_by_samuel_evans_clark.epub
ER  -