Luhmann Niklas Love A sketch. Tr. by Kathleen Cross Luhmann Niklas - Cambridge Polity Press 2010 - xiii, 96p cm. ISBN: 9780745647517 691.53999999999996 Source: 609, 15/12/2011, AVIVA BOOKS COMPANY General Book Dewey Class. No.: Y:3(S:55), Q0