incompleta. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
genera of Myrtaceae in Brazil: an illustrated synoptic treatment and identificationkeys». Brittonia (en inglés) 49 (4): 508-536. ISSN 1938-436X. doi:10.2307/2807742…
ISBN 1-899935-03-7. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae. Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
190, xvpp. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 84. ISBN 90-5011-199-8…
[i] + 691. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
generic and specific names of Machilidae (Microcoryphia, Insecta) with identificationkeys for the genera and geographical notes (Google Books preview snippet)»…
genera of Myrtaceae in Brazil: An illustrated synoptic treatment and identificationkeys"; Brittonia 49:508–536. Kiaerskou, H. 1893. "Enumeratio myrtacearum…
ISBN 1-870393-54-6. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
IdentificationKeys to the Syrphidae. Utrecht: KNNV Publishing. 2004. p. 254. ISBN 90-5011-199-8. British Hoverflies: An Illustrated Identification Guide…
matorrales.[6] Van Veen, M. (2004) Hoverflies of Northwest Europe: identificationkeys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum Van der…
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ISBN 1-870393-54-6. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae. Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
de 2009. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
253, xvpp. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
253, xvpp. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback|formato= requiere |url= (ayuda)). Utrecht:…
ISBN 1-870393-54-6. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…
ISBN 1-870393-54-6. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Pasta dura) (en inglés). Utrecht: KNNV Publishing…
genera of Myrtaceae in Brazil: an illustrated synoptic treatment and identificationkeys. Brittonia 49(4): 508–536. McVaugh, R. 1989. Myrtaceae. In: Dicotyledoneae…
ISBN 1-870393-54-6. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, IdentificationKeys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8…