Correspondence and papers from a folder labelled 'Lembang'. Material relates to the Lembang Bamberg, International Astronomical Union (IAU) Colloquium No. 80, 'Double Stars. Physical properties and Generic Relation', 3-7 June 1983, Bandung, Java, Indonesia.
Correspondence includes letters to and from ZK and the organising committee, funders and speakers. Material includes: programme for the IAU/UNESCO (United Nations Educational, Scientific and Cultural Organization) International School for Young Astronomers; list of participants; abstracts, including ZK's paper, 'Multiple Stars and Stellar Evolution'; printed programme; transcriptions of 'Discussions: June 3, 1983, 'Discussions: June 4, 1983, 'Discussions: June 6, 1983, and 'Discussions: June 7, 1983. Also an annotated copy of ZK's Vainu Bappu Memorial Lecture paper 'Evolution of Binary Systems And Their Generic Relations', delivered to the colloquium on June 3.