81371118137111 0000e5fc-00d63489 1 1 1 2 1 8137111 01580cam a22004453 45008137111011211s1968 xxk 000 0 eng c0-7156-0404-XGLeyden, W. von(Wolfgang),1911-2004311710Seventeenth-century metaphysics :an examination of some main concepts and theories /Wolfgang von LeydenLondon :Duckworth,1968316 s.GHLSU