TY - GEN PB - Bunhill Publ. Ltd. L1 - http://cybra.lodz.pl/Content/21529/Aireraft_Engineering_Vol_XXIII_nr_270_1951.pdf L2 - http://cybra.lodz.pl/Content/21529 T1 - Aircraft Engineering Vol. XXIII Nr 270 (1951) UR - http://cybra.lodz.pl/dlibra/docmetadata?id=21529 ER -