00407nam a2200133Ia 450000500170000008000220001724500930003926000480013230000070018050000350018758300170022294200170023999900170025620260716043647.0  aREF 19.03.01 E564  aEncyclopaedia Britannica : special supplement...Britannica book of the year.... -[19--]-  bEncyclopaedia BritannicaaNew YorkUSc1975-  av.  aDocumentation Centre has: 1975  c3/3/06kJOYD  cCmE564kREF  c51802d51802