00465nam a22001697a 4500 20260518101256.0 260518b |||||||| |||| 00| 0 eng d 000 eng 330 BAC/B Bacharach, Michael Biproportional Matrics & Input-Output Change /by Michael Bacharach Cambrigde: At The University Press; 1970. xii,170p. Barcharach , Michael BK 46982 46982 0 0 0 0 NFIC PBBCL PBBCL GEN 2026-05-18 0 330 BAC/B 024380 2026-05-18 2026-05-18 BK