TY - BOOK ID - 126802542 TI - The discovery of the conservation of energy AU - Elkana, YehĂșda AU - Cohen, Ierome Bernard PY - 1974 SN - 0091152402 9780091152406 PB - London: Hutchinson, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:126802542 AB - ER -