https://www.cambridge.org/us/universitypress/subjects/history/russian-and-east-european-history/sexual-liberation-socialist-style-communist-czechoslovakia-and-science-desire-19451989?format=PB&isbn=9781108440844#description
https://www.cambridge.org/us/universitypress/subjects/history/russian-and-east-european-history/sexual-liberation-socialist-style-communist-czechoslovakia-and-science-desire-19451989?format=PB&isbn=9781108440844#description