Subterranean fauna of Mexico. Part II. Further results of the Italian zoological missions to Mexico, sponsored by the National Academy of Lincei. (1969 and 1971)
. – Roma : Accademia nazionale dei Lincei, 1973
. – 372 p. ; 27 cm
. – (Probleni attuali di scienza e di cultura ; 171) ; 1)