TY - BOOK ID - 132089573 TI - Introduction to valence theory AU - Worrall, Jean AU - Worrall, I.J. PY - 1969 PB - London Macdonald Technical & Scientific DB - UniCat KW - Chemical bonds. Valence KW - fysicochemie UR - https://www.unicat.be/uniCat?func=search&query=sysid:132089573 AB - ER -