TY - BOOK AU - Teich, Mikulas (Ed.) AU - Young, Robert (Ed.) TI - Changing perspectives in the History of Science: essays in honour of Joseph Needham SN - 0-435-54925-1 U1 - 509.5 21st PY - 1973/// CY - London PB - Heinemann KW - Science-History; Gravitation; Technology; Science and state ER -