Peter Havelka has written:
'Die Gnitzen (Diptera, Nematocera, Ceratopogonidae) eines kleinen Waldbaches bei Bonn' -- subject(s): Ceratopogonidae, Diptera
Ondřej Havelka was born in 1954.
Pavel Havelka was born in 1965.
Martin Havelka was born in 1958.
František Havelka was born in 1908.
Peter Graham has written: 'Peter Graham'
Peter Bradtke has written: 'Peter Bradtke'
Peter Huemer has written: 'Peter Huemer'
Peter Kiss has written: 'Peter Kiss'
Peter Willburger has written: 'Peter Willburger'
Peter Herbrich has written: 'Peter Herbrich'
Peter Casagrande has written: 'Peter Casagrande'
Peter Stockhom has written: 'Chapbooks'