RT Book T1 Multiple discovery: the pattern of scientific progress A1 Lamb, David 1942- A2 Easton, Susan M. 1951- LA English PP Trowbridge PB Avebury YR 1984 UL https://krimdok.uni-tuebingen.de/Record/1621827917 NO Literaturverz. S. 232 - 239 CN 306'.45'09 SN 0861270258