00770nam a2200265 a 4500 6875 BD-RjUL 20211208234329.0 161212s1977 fr b 000 0 eng 9231013718 (BD-RjUL)6917 DLC DLC DLC BD-RjUL eng eng 303.483 LAC 1977 23 Ladrière, Jean. 21593 The challenge presented to cultures by science and technology / Jean Ladrière. Paris : Unesco, 1977. 165 p. ; 24 cm. Includes bibliographical references. Science and Technology 1301 Technology Social aspects. 21594 Unesco. 1489 ddc BK 6875 6875 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1982-08-28 Unesco 0 303.483 LAC 1977 2014-01-12 00:00:00 C-1 2021-12-08 BK