TY - BOOK AU - Charles, R. H. G. TI - Mass catering: WHO regional publication european series no - 15 SN - 92-890-1106-8 U1 - 641 PY - 1983/// CY - Geneva PB - World Health Oraganization KW - WHO KW - Home economics N1 - Gift; WHO, domestic health, hygiene standards ER -