%0 Generic %C [S.l.] : %D %I [s.n.] %T Boletin De La Academia Nacional De Ciencias, v. 22 %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC_002526656&title=Boletin%20De%20La%20Academia%20Nacional%20De%20Ciencias%2C%20v.%2022