TY  - BOOK
AU  - Ruddle, Kenneth
AU  - Manshard, Walther
TI  - Renewable natural resources and the environment
SN  - 0907567010
U1  - 553.3:577.4 N81 
PY  - 1981///
CY  - Ireland
PB  - Tycooly International Publishing
KW  - Natural resources
ER  -