TY - BOOK AU - Golterman H L AU - Clymo R S AU - Ohnstad M TI - Methods for physical and chemical analysis of fresh water T2 - International biological programme handbook; 8 U1 - G9557:(E:3), K9;L8 PY - 1978/// CY - Oxford PB - Blackwell Scientific Publications KW - Fresh water KW - Biology ER -