Many of the caves of Ivanščica and Strahinjčica [hr] were listed by Vladimir Redenšek in 1961.
[1] Work on the speleological cadastre of Ivanščica began in 2008,[2] an early version being presented in 2009.
[3] The last full version was finished in 2011 titled Speleološki i biospeleološki katastar Ivanščice,[4][5]: 9 and since then updates have only been made to local and national cadastres.
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