TY - BOOK AU - Salanki,J. AU - Jeffrey,D. AU - Hughes,G.M. TI - Biological monitoring of the environment: a manual of methods SN - 0851988938 AV - RA 1229.4 .B521 1994 PY - 1994/// CY - Wallingford, Oxon PB - CAB International; in association with International Union of Biological Sciences KW - Biological monitoring ER -