TY - BOOK AU - McLean,R.C. AU - TI - Practical field ecology: a guide for the botany departments of universities, colleges and schools, SN - 0045810036 U1 - 581.5 PY - 1952/// [reprint 1963] CY - New York PB - Macmillan & Co. KW - Plant ecology N1 - Includes Index ER -