lnternational colloquium on Product liability in air and space transportation. Cologne (Germany), 31 March-2 April 1977 - Air and Space Law View lnternational colloquium on Product liability in air and space transportation. Cologne (Germany), 31 March-2 April 1977 by Wybo P. Heere - Air and Space Law lnternational colloquium on Product liability in air and space transportation. Cologne (Germany), 31 March-2 April 1977 Wybo P. Heere 1977-09-01 2 3 https://kluwerlawonline.com/api/Product/CitationPDFURL?file=Journals\AILA\AILA1977039.pdf Air and Space Law