TY - BOOK ID - 141329311 TI - They all laughed ... : from lightbulbs to lasers, the fascinating stories behind the great inventions that have changed our lives PY - 1992 PB - New York HarperCollins DB - UniCat KW - Inventions - History. UR - https://www.unicat.be/uniCat?func=search&query=sysid:141329311 AB - ER -