00564nam a22002057a 4500 BD-DhUL 20141223100352.0 141223s1977 ii a|||| |||| 001 0 eng d 0706905016 BD-DhUL BD-DhUL 581.5 KUM Kumar, H. D. Modern concepts of ecology / H. D. Kumar. New Delhi : Vikas, c1977. viii, 201 p. : ill. ; 22 cm. Rs. 40.00 Includes bibliographical references and index. Ecology. ddc BK 23982 23982 0 0 ddc 0 581_500000000000000_KUM 0 NFIC 46272 DUSL DUSL GEN 1981-01-09 Purchased 581.5 KUM A188753 2014-12-23 2014-12-23 BK 0 0 ddc 0 581_500000000000000_KUM 0 NFIC 46274 DUSL DUSL GEN 1981-01-09 Purchased 581.5 KUM 372508D 2014-12-23 1 2014-12-23 BK