00595nam a2200217 a 4500 51647 BD-RjUL 20211209075708.0 160901s1969 enka b 000 0 eng d 0045100284 (BD-RjUL)51767 BD-RjUL eng BD-RjUL BD-RjUL eng 23 511.3 BRL 1969 Spencer-Brown, G. 154390 Laws of form / G. Spencer Brown. London : Allen & Unwin, c1969. xx, 142 p. : ill. ; 23 cm. Mathematics Philosophy. 138149 ddc BK 51647 51647 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1970-05-16 Zeitlinger 45.00 0 511.3 BRL 1969 2016-09-01 00:00:00 C-2 2016-09-01 BK