W.P. Martin 
Alt out food production : Strategy and resource implications 
 - Madison  American Society of Agronomy  1975 
 - 67p 
W.P. Martin: Alt out food production : Strategy and resource implications.  Madison.  American Society of Agronomy, 1975. 0-89118-040-0--(630MAR)   
ENGLISH 
0-89118-040-0 
630  / ASA