00843pam a2200253 a 45000010008000000030008000080050017000160080041000330100017000740200015000910200022001060400027001280500023001550820023001781000051002012450077002522600051003293000028003804400032004085000020004405040028004606500015004888560086005032858454BD-DhUL20141229091054.0850116s1986    enkaf    b    001 0 eng    a   85000067   a0521257662  a0521277019 (pbk.)  aDLCcDLCdDLCdBD-DhUL00aQL537.S9bG55 198600a595.774219bg464h1 aGilbert, Francis S.q(Francis Sylvest),d1956-10aHoverflies /cFrancis S. Gilbert ; with illustrations by Steven J. Falk.  aNew York :bCambridge University Press,c1986.  a66 p. :bill. ;c22 cm. 0aNaturalists' handbooks ;v5  aIncludes index.  aBibliography: p. 62-64. 0aSyrphidae.423Publisher descriptionuhttp://www.loc.gov/catdir/description/cam031/85000067.html