00787nam a2200193Ia 4500 CTU_219394 210402s9999 xx 000 0 und d 628 R499 Rich, Linvil Gene Unit processes of sanitary engineering Linvil G. Rich New York Wiley 1963 This book is a companion piece to Unit Operations of Sanitary engineering. Whereas the latter book deals only with physical processes, Unit processes of sanitary Engineering covers the chemical and biological processes common to many water and waster treatment systems. Kỹ thuật vệ sinh,Sanitary engineering Trúc Trung tâm Học liệu Trường Đại học Cần Thơ