01170nam0a22002891 4500 RU\NLR\INFOCOMM_223\5000039148 20250613093041.0 (NLR Aleph) 009189312 8620437 8620437 20100330d1968 |||y0rusy50 ca eng RU y ||||000|y Hygienic aspects of communal water supply S. N. Cherkinskii USSR Min. of public health. Central inst. for advanced med. studies. - World health organisation. Inter-regional travelling seminar on purification and disinfection of water Μ. 1968 [2], 17 с. 20 см Отпечат. множит. аппаратом Водоснабжение Гигиена nlr_sh1 Ме2-225[Р121.51] rubbk z02790 Čerkinskij S. N. Samuil Naumovič 070 World health organization Inter-regional travelling seminar on purification and disinfection of water 1968 570 z02700 Cherkinskii S. N. 070 RU NLR 20100330 RU NLR PSBO NLR Мд97 Д-4/178 BOOK NB 2013-10-26 NLR01 NLR01 IF 9189312-10 Мд97 Д-4/178 0 BOOK 97_4178